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Finding the Fourth Proportional to 92,804.52, 128,070.17 and 52,517.55

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Solution

The fourth proportional to 92,804.52, 128,070.17 and 52,517.55 is: 72,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,804.52 : 128,070.17 = 52,517.55 : x
  2. Step 2: Convert to fraction form
    92,804.52/128,070.17 = 52,517.55/x
  3. Step 3: Cross multiply
    92,804.52x = 128,070.17 × 52,517.55
  4. Step 4: Simplify right side
    92,804.52x = 6,725,931,556.48
  5. Step 5: Solve for x
    x = 6,725,931,556.48/92,804.52
  6. Step 6: Final answer
    x = 72,474.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.