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Finding the Fourth Proportional to 94,123.60, 141,055.80 and 62,443.60

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Solution

The fourth proportional to 94,123.60, 141,055.80 and 62,443.60 is: 93,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.60 : 141,055.80 = 62,443.60 : x
  2. Step 2: Convert to fraction form
    94,123.60/141,055.80 = 62,443.60/x
  3. Step 3: Cross multiply
    94,123.60x = 141,055.80 × 62,443.60
  4. Step 4: Simplify right side
    94,123.60x = 8,808,031,952.88
  5. Step 5: Solve for x
    x = 8,808,031,952.88/94,123.60
  6. Step 6: Final answer
    x = 93,579.42

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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.