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Finding the Fourth Proportional to 186,957.80, 280,436.70 and 62,298.80

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Solution

The fourth proportional to 186,957.80, 280,436.70 and 62,298.80 is: 93,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.80 : 280,436.70 = 62,298.80 : x
  2. Step 2: Convert to fraction form
    186,957.80/280,436.70 = 62,298.80/x
  3. Step 3: Cross multiply
    186,957.80x = 280,436.70 × 62,298.80
  4. Step 4: Simplify right side
    186,957.80x = 17,470,869,885.96
  5. Step 5: Solve for x
    x = 17,470,869,885.96/186,957.80
  6. Step 6: Final answer
    x = 93,448.20

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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.