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Finding the Fourth Proportional to 99,275.60, 148,913.40 and 59,812.40

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Solution

The fourth proportional to 99,275.60, 148,913.40 and 59,812.40 is: 89,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.60 : 148,913.40 = 59,812.40 : x
  2. Step 2: Convert to fraction form
    99,275.60/148,913.40 = 59,812.40/x
  3. Step 3: Cross multiply
    99,275.60x = 148,913.40 × 59,812.40
  4. Step 4: Simplify right side
    99,275.60x = 8,906,867,846.16
  5. Step 5: Solve for x
    x = 8,906,867,846.16/99,275.60
  6. Step 6: Final answer
    x = 89,718.60

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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.