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Finding the Fourth Proportional to 93,587.40, 140,162.40 and 91,708.20

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Solution

The fourth proportional to 93,587.40, 140,162.40 and 91,708.20 is: 137,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.40 : 140,162.40 = 91,708.20 : x
  2. Step 2: Convert to fraction form
    93,587.40/140,162.40 = 91,708.20/x
  3. Step 3: Cross multiply
    93,587.40x = 140,162.40 × 91,708.20
  4. Step 4: Simplify right side
    93,587.40x = 12,854,041,411.68
  5. Step 5: Solve for x
    x = 12,854,041,411.68/93,587.40
  6. Step 6: Final answer
    x = 137,347.99

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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.