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Finding the Fourth Proportional to 98,657.70, 147,997.35 and 95,547.30

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Solution

The fourth proportional to 98,657.70, 147,997.35 and 95,547.30 is: 143,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,657.70 : 147,997.35 = 95,547.30 : x
  2. Step 2: Convert to fraction form
    98,657.70/147,997.35 = 95,547.30/x
  3. Step 3: Cross multiply
    98,657.70x = 147,997.35 × 95,547.30
  4. Step 4: Simplify right side
    98,657.70x = 14,140,747,199.66
  5. Step 5: Solve for x
    x = 14,140,747,199.66/98,657.70
  6. Step 6: Final answer
    x = 143,331.41

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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.