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Finding the Fourth Proportional to 62,250.60, 93,230.10 and 42,421.80

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Solution

The fourth proportional to 62,250.60, 93,230.10 and 42,421.80 is: 63,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,250.60 : 93,230.10 = 42,421.80 : x
  2. Step 2: Convert to fraction form
    62,250.60/93,230.10 = 42,421.80/x
  3. Step 3: Cross multiply
    62,250.60x = 93,230.10 × 42,421.80
  4. Step 4: Simplify right side
    62,250.60x = 3,954,988,656.18
  5. Step 5: Solve for x
    x = 3,954,988,656.18/62,250.60
  6. Step 6: Final answer
    x = 63,533.34

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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.