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Finding the Fourth Proportional to 93,117.40, 139,740.90 and 59,918.20

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Solution

The fourth proportional to 93,117.40, 139,740.90 and 59,918.20 is: 89,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.40 : 139,740.90 = 59,918.20 : x
  2. Step 2: Convert to fraction form
    93,117.40/139,740.90 = 59,918.20/x
  3. Step 3: Cross multiply
    93,117.40x = 139,740.90 × 59,918.20
  4. Step 4: Simplify right side
    93,117.40x = 8,373,023,194.38
  5. Step 5: Solve for x
    x = 8,373,023,194.38/93,117.40
  6. Step 6: Final answer
    x = 89,919.00

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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.