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Finding the Fourth Proportional to 99,263.60, 148,895.40 and 92,702.60

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Solution

The fourth proportional to 99,263.60, 148,895.40 and 92,702.60 is: 139,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,263.60 : 148,895.40 = 92,702.60 : x
  2. Step 2: Convert to fraction form
    99,263.60/148,895.40 = 92,702.60/x
  3. Step 3: Cross multiply
    99,263.60x = 148,895.40 × 92,702.60
  4. Step 4: Simplify right side
    99,263.60x = 13,802,990,708.04
  5. Step 5: Solve for x
    x = 13,802,990,708.04/99,263.60
  6. Step 6: Final answer
    x = 139,053.90

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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.