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Finding the Fourth Proportional to 181,272.16, 250,222.95 and 155,675.74

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Solution

The fourth proportional to 181,272.16, 250,222.95 and 155,675.74 is: 214,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.16 : 250,222.95 = 155,675.74 : x
  2. Step 2: Convert to fraction form
    181,272.16/250,222.95 = 155,675.74/x
  3. Step 3: Cross multiply
    181,272.16x = 250,222.95 × 155,675.74
  4. Step 4: Simplify right side
    181,272.16x = 38,953,642,927.12
  5. Step 5: Solve for x
    x = 38,953,642,927.12/181,272.16
  6. Step 6: Final answer
    x = 214,890.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.