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Finding the Fourth Proportional to 98,001.88, 146,925.06 and 42,559

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Solution

The fourth proportional to 98,001.88, 146,925.06 and 42,559 is: 63,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.88 : 146,925.06 = 42,559 : x
  2. Step 2: Convert to fraction form
    98,001.88/146,925.06 = 42,559/x
  3. Step 3: Cross multiply
    98,001.88x = 146,925.06 × 42,559
  4. Step 4: Simplify right side
    98,001.88x = 6,252,983,628.54
  5. Step 5: Solve for x
    x = 6,252,983,628.54/98,001.88
  6. Step 6: Final answer
    x = 63,804.73

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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.