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Finding the Fourth Proportional to 98,807.80, 148,211.70 and 59,344.60

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Solution

The fourth proportional to 98,807.80, 148,211.70 and 59,344.60 is: 89,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,807.80 : 148,211.70 = 59,344.60 : x
  2. Step 2: Convert to fraction form
    98,807.80/148,211.70 = 59,344.60/x
  3. Step 3: Cross multiply
    98,807.80x = 148,211.70 × 59,344.60
  4. Step 4: Simplify right side
    98,807.80x = 8,795,564,051.82
  5. Step 5: Solve for x
    x = 8,795,564,051.82/98,807.80
  6. Step 6: Final answer
    x = 89,016.90

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1.5x scale

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.