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Finding the Fourth Proportional to 176,149,360.80, 264,224,041.20 and 139,869,655.20

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Solution

The fourth proportional to 176,149,360.80, 264,224,041.20 and 139,869,655.20 is: 209,804,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,149,360.80 : 264,224,041.20 = 139,869,655.20 : x
  2. Step 2: Convert to fraction form
    176,149,360.80/264,224,041.20 = 139,869,655.20/x
  3. Step 3: Cross multiply
    176,149,360.80x = 264,224,041.20 × 139,869,655.20
  4. Step 4: Simplify right side
    176,149,360.80x = 36,956,925,538,194,592
  5. Step 5: Solve for x
    x = 36,956,925,538,194,592/176,149,360.80
  6. Step 6: Final answer
    x = 209,804,482.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.