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Finding the Fourth Proportional to 118,803.52, 163,817.52 and 75,714.82

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Solution

The fourth proportional to 118,803.52, 163,817.52 and 75,714.82 is: 104,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803.52 : 163,817.52 = 75,714.82 : x
  2. Step 2: Convert to fraction form
    118,803.52/163,817.52 = 75,714.82/x
  3. Step 3: Cross multiply
    118,803.52x = 163,817.52 × 75,714.82
  4. Step 4: Simplify right side
    118,803.52x = 12,403,413,346.17
  5. Step 5: Solve for x
    x = 12,403,413,346.17/118,803.52
  6. Step 6: Final answer
    x = 104,402.74

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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.