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Finding the Fourth Proportional to 118,337.52, 163,326.87 and 69,937.47

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Solution

The fourth proportional to 118,337.52, 163,326.87 and 69,937.47 is: 96,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,337.52 : 163,326.87 = 69,937.47 : x
  2. Step 2: Convert to fraction form
    118,337.52/163,326.87 = 69,937.47/x
  3. Step 3: Cross multiply
    118,337.52x = 163,326.87 × 69,937.47
  4. Step 4: Simplify right side
    118,337.52x = 11,422,668,070.82
  5. Step 5: Solve for x
    x = 11,422,668,070.82/118,337.52
  6. Step 6: Final answer
    x = 96,526.17

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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.