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Finding the Fourth Proportional to 125,359.79, 186,736.76 and 118,569.02

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Solution

The fourth proportional to 125,359.79, 186,736.76 and 118,569.02 is: 176,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,359.79 : 186,736.76 = 118,569.02 : x
  2. Step 2: Convert to fraction form
    125,359.79/186,736.76 = 118,569.02/x
  3. Step 3: Cross multiply
    125,359.79x = 186,736.76 × 118,569.02
  4. Step 4: Simplify right side
    125,359.79x = 22,141,193,549.28
  5. Step 5: Solve for x
    x = 22,141,193,549.28/125,359.79
  6. Step 6: Final answer
    x = 176,621.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.