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Finding the Fourth Proportional to 59,457.87, 89,203.28 and 48,468.20

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Solution

The fourth proportional to 59,457.87, 89,203.28 and 48,468.20 is: 72,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,457.87 : 89,203.28 = 48,468.20 : x
  2. Step 2: Convert to fraction form
    59,457.87/89,203.28 = 48,468.20/x
  3. Step 3: Cross multiply
    59,457.87x = 89,203.28 × 48,468.20
  4. Step 4: Simplify right side
    59,457.87x = 4,323,521,727.34
  5. Step 5: Solve for x
    x = 4,323,521,727.34/59,457.87
  6. Step 6: Final answer
    x = 72,715.72

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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.