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Finding the Fourth Proportional to 86,034.88, 129,101.40 and 33,437.52

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Solution

The fourth proportional to 86,034.88, 129,101.40 and 33,437.52 is: 50,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034.88 : 129,101.40 = 33,437.52 : x
  2. Step 2: Convert to fraction form
    86,034.88/129,101.40 = 33,437.52/x
  3. Step 3: Cross multiply
    86,034.88x = 129,101.40 × 33,437.52
  4. Step 4: Simplify right side
    86,034.88x = 4,316,830,644.53
  5. Step 5: Solve for x
    x = 4,316,830,644.53/86,034.88
  6. Step 6: Final answer
    x = 50,175.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.