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Finding the Fourth Proportional to 88,492.40, 132,892.20 and 47,020.40

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Solution

The fourth proportional to 88,492.40, 132,892.20 and 47,020.40 is: 70,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,492.40 : 132,892.20 = 47,020.40 : x
  2. Step 2: Convert to fraction form
    88,492.40/132,892.20 = 47,020.40/x
  3. Step 3: Cross multiply
    88,492.40x = 132,892.20 × 47,020.40
  4. Step 4: Simplify right side
    88,492.40x = 6,248,644,400.88
  5. Step 5: Solve for x
    x = 6,248,644,400.88/88,492.40
  6. Step 6: Final answer
    x = 70,612.22

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1.5x scale

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.