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Finding the Fourth Proportional to 93,353.70, 140,030.55 and 89,724.90

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Solution

The fourth proportional to 93,353.70, 140,030.55 and 89,724.90 is: 134,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.70 : 140,030.55 = 89,724.90 : x
  2. Step 2: Convert to fraction form
    93,353.70/140,030.55 = 89,724.90/x
  3. Step 3: Cross multiply
    93,353.70x = 140,030.55 × 89,724.90
  4. Step 4: Simplify right side
    93,353.70x = 12,564,227,095.70
  5. Step 5: Solve for x
    x = 12,564,227,095.70/93,353.70
  6. Step 6: Final answer
    x = 134,587.35

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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.