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Finding the Fourth Proportional to 149,776.80, 224,602.72 and 60,970.02

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Solution

The fourth proportional to 149,776.80, 224,602.72 and 60,970.02 is: 91,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,776.80 : 224,602.72 = 60,970.02 : x
  2. Step 2: Convert to fraction form
    149,776.80/224,602.72 = 60,970.02/x
  3. Step 3: Cross multiply
    149,776.80x = 224,602.72 × 60,970.02
  4. Step 4: Simplify right side
    149,776.80x = 13,694,032,330.45
  5. Step 5: Solve for x
    x = 13,694,032,330.45/149,776.80
  6. Step 6: Final answer
    x = 91,429.60

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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.