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Finding the Fourth Proportional to 59,569.60, 89,330.10 and 20,106.40

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Solution

The fourth proportional to 59,569.60, 89,330.10 and 20,106.40 is: 30,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,569.60 : 89,330.10 = 20,106.40 : x
  2. Step 2: Convert to fraction form
    59,569.60/89,330.10 = 20,106.40/x
  3. Step 3: Cross multiply
    59,569.60x = 89,330.10 × 20,106.40
  4. Step 4: Simplify right side
    59,569.60x = 1,796,106,722.64
  5. Step 5: Solve for x
    x = 1,796,106,722.64/59,569.60
  6. Step 6: Final answer
    x = 30,151.40

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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.