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Finding the Fourth Proportional to 168,402.76, 232,294.98 and 123,025.30

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Solution

The fourth proportional to 168,402.76, 232,294.98 and 123,025.30 is: 169,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402.76 : 232,294.98 = 123,025.30 : x
  2. Step 2: Convert to fraction form
    168,402.76/232,294.98 = 123,025.30/x
  3. Step 3: Cross multiply
    168,402.76x = 232,294.98 × 123,025.30
  4. Step 4: Simplify right side
    168,402.76x = 28,578,159,602.99
  5. Step 5: Solve for x
    x = 28,578,159,602.99/168,402.76
  6. Step 6: Final answer
    x = 169,701.25

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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.