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Finding the Fourth Proportional to 88,807.44, 133,211.16 and 65,140.44

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Solution

The fourth proportional to 88,807.44, 133,211.16 and 65,140.44 is: 97,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,807.44 : 133,211.16 = 65,140.44 : x
  2. Step 2: Convert to fraction form
    88,807.44/133,211.16 = 65,140.44/x
  3. Step 3: Cross multiply
    88,807.44x = 133,211.16 × 65,140.44
  4. Step 4: Simplify right side
    88,807.44x = 8,677,433,575.31
  5. Step 5: Solve for x
    x = 8,677,433,575.31/88,807.44
  6. Step 6: Final answer
    x = 97,710.66

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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.