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Finding the Fourth Proportional to 141,871.60, 212,807.40 and 116,502.40

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Solution

The fourth proportional to 141,871.60, 212,807.40 and 116,502.40 is: 174,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,871.60 : 212,807.40 = 116,502.40 : x
  2. Step 2: Convert to fraction form
    141,871.60/212,807.40 = 116,502.40/x
  3. Step 3: Cross multiply
    141,871.60x = 212,807.40 × 116,502.40
  4. Step 4: Simplify right side
    141,871.60x = 24,792,572,837.76
  5. Step 5: Solve for x
    x = 24,792,572,837.76/141,871.60
  6. Step 6: Final answer
    x = 174,753.60

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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.