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Finding the Fourth Proportional to 345,098.16, 517,647.08 and 95,780.08

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Solution

The fourth proportional to 345,098.16, 517,647.08 and 95,780.08 is: 143,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,098.16 : 517,647.08 = 95,780.08 : x
  2. Step 2: Convert to fraction form
    345,098.16/517,647.08 = 95,780.08/x
  3. Step 3: Cross multiply
    345,098.16x = 517,647.08 × 95,780.08
  4. Step 4: Simplify right side
    345,098.16x = 49,580,278,734.17
  5. Step 5: Solve for x
    x = 49,580,278,734.17/345,098.16
  6. Step 6: Final answer
    x = 143,670.08

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1.5x scale

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.