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Finding the Fourth Proportional to 110,342, 152,272.68 and 60,041.36

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Solution

The fourth proportional to 110,342, 152,272.68 and 60,041.36 is: 82,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,342 : 152,272.68 = 60,041.36 : x
  2. Step 2: Convert to fraction form
    110,342/152,272.68 = 60,041.36/x
  3. Step 3: Cross multiply
    110,342x = 152,272.68 × 60,041.36
  4. Step 4: Simplify right side
    110,342x = 9,142,658,798.04
  5. Step 5: Solve for x
    x = 9,142,658,798.04/110,342
  6. Step 6: Final answer
    x = 82,857.47

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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.