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Finding the Fourth Proportional to 60,118.64, 90,148.08 and 35,165.12

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Solution

The fourth proportional to 60,118.64, 90,148.08 and 35,165.12 is: 52,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,118.64 : 90,148.08 = 35,165.12 : x
  2. Step 2: Convert to fraction form
    60,118.64/90,148.08 = 35,165.12/x
  3. Step 3: Cross multiply
    60,118.64x = 90,148.08 × 35,165.12
  4. Step 4: Simplify right side
    60,118.64x = 3,170,068,050.97
  5. Step 5: Solve for x
    x = 3,170,068,050.97/60,118.64
  6. Step 6: Final answer
    x = 52,730.20

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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.