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Finding the Fourth Proportional to 150,062.41, 225,156.80 and 65,779.08

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Solution

The fourth proportional to 150,062.41, 225,156.80 and 65,779.08 is: 98,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,062.41 : 225,156.80 = 65,779.08 : x
  2. Step 2: Convert to fraction form
    150,062.41/225,156.80 = 65,779.08/x
  3. Step 3: Cross multiply
    150,062.41x = 225,156.80 × 65,779.08
  4. Step 4: Simplify right side
    150,062.41x = 14,810,607,159.74
  5. Step 5: Solve for x
    x = 14,810,607,159.74/150,062.41
  6. Step 6: Final answer
    x = 98,696.32

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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.