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Finding the Fourth Proportional to 110,999.52, 153,159.36 and 65,654.94

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Solution

The fourth proportional to 110,999.52, 153,159.36 and 65,654.94 is: 90,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,999.52 : 153,159.36 = 65,654.94 : x
  2. Step 2: Convert to fraction form
    110,999.52/153,159.36 = 65,654.94/x
  3. Step 3: Cross multiply
    110,999.52x = 153,159.36 × 65,654.94
  4. Step 4: Simplify right side
    110,999.52x = 10,055,668,591.24
  5. Step 5: Solve for x
    x = 10,055,668,591.24/110,999.52
  6. Step 6: Final answer
    x = 90,592.00

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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.