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Finding the Fourth Proportional to 186,957.63, 258,000.12 and 102,074.69

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Solution

The fourth proportional to 186,957.63, 258,000.12 and 102,074.69 is: 140,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.63 : 258,000.12 = 102,074.69 : x
  2. Step 2: Convert to fraction form
    186,957.63/258,000.12 = 102,074.69/x
  3. Step 3: Cross multiply
    186,957.63x = 258,000.12 × 102,074.69
  4. Step 4: Simplify right side
    186,957.63x = 26,335,280,978.96
  5. Step 5: Solve for x
    x = 26,335,280,978.96/186,957.63
  6. Step 6: Final answer
    x = 140,862.30

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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.