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Finding the Fourth Proportional to 98,301.56, 147,495.90 and 51,543.32

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Solution

The fourth proportional to 98,301.56, 147,495.90 and 51,543.32 is: 77,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,301.56 : 147,495.90 = 51,543.32 : x
  2. Step 2: Convert to fraction form
    98,301.56/147,495.90 = 51,543.32/x
  3. Step 3: Cross multiply
    98,301.56x = 147,495.90 × 51,543.32
  4. Step 4: Simplify right side
    98,301.56x = 7,602,428,372.39
  5. Step 5: Solve for x
    x = 7,602,428,372.39/98,301.56
  6. Step 6: Final answer
    x = 77,337.82

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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.