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Finding the Fourth Proportional to 98,973.70, 148,363.35 and 88,476.10

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Solution

The fourth proportional to 98,973.70, 148,363.35 and 88,476.10 is: 132,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,973.70 : 148,363.35 = 88,476.10 : x
  2. Step 2: Convert to fraction form
    98,973.70/148,363.35 = 88,476.10/x
  3. Step 3: Cross multiply
    98,973.70x = 148,363.35 × 88,476.10
  4. Step 4: Simplify right side
    98,973.70x = 13,126,610,590.94
  5. Step 5: Solve for x
    x = 13,126,610,590.94/98,973.70
  6. Step 6: Final answer
    x = 132,627.26

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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.