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Finding the Fourth Proportional to 59,098.60, 78,538.93 and 59,098.60

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Solution

The fourth proportional to 59,098.60, 78,538.93 and 59,098.60 is: 78,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098.60 : 78,538.93 = 59,098.60 : x
  2. Step 2: Convert to fraction form
    59,098.60/78,538.93 = 59,098.60/x
  3. Step 3: Cross multiply
    59,098.60x = 78,538.93 × 59,098.60
  4. Step 4: Simplify right side
    59,098.60x = 4,641,540,808.50
  5. Step 5: Solve for x
    x = 4,641,540,808.50/59,098.60
  6. Step 6: Final answer
    x = 78,538.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.