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Finding the Fourth Proportional to 162,487.59, 243,641.34 and 66,492.24

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Solution

The fourth proportional to 162,487.59, 243,641.34 and 66,492.24 is: 99,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.59 : 243,641.34 = 66,492.24 : x
  2. Step 2: Convert to fraction form
    162,487.59/243,641.34 = 66,492.24/x
  3. Step 3: Cross multiply
    162,487.59x = 243,641.34 × 66,492.24
  4. Step 4: Simplify right side
    162,487.59x = 16,200,258,453.20
  5. Step 5: Solve for x
    x = 16,200,258,453.20/162,487.59
  6. Step 6: Final answer
    x = 99,701.51

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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.