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Finding the Fourth Proportional to 59,443.80, 89,116.56 and 46,354.20

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Solution

The fourth proportional to 59,443.80, 89,116.56 and 46,354.20 is: 69,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,443.80 : 89,116.56 = 46,354.20 : x
  2. Step 2: Convert to fraction form
    59,443.80/89,116.56 = 46,354.20/x
  3. Step 3: Cross multiply
    59,443.80x = 89,116.56 × 46,354.20
  4. Step 4: Simplify right side
    59,443.80x = 4,130,926,845.55
  5. Step 5: Solve for x
    x = 4,130,926,845.55/59,443.80
  6. Step 6: Final answer
    x = 69,492.98

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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.