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Finding the Fourth Proportional to 102,616.70, 153,925.05 and 95,618.30

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Solution

The fourth proportional to 102,616.70, 153,925.05 and 95,618.30 is: 143,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.70 : 153,925.05 = 95,618.30 : x
  2. Step 2: Convert to fraction form
    102,616.70/153,925.05 = 95,618.30/x
  3. Step 3: Cross multiply
    102,616.70x = 153,925.05 × 95,618.30
  4. Step 4: Simplify right side
    102,616.70x = 14,718,051,608.42
  5. Step 5: Solve for x
    x = 14,718,051,608.42/102,616.70
  6. Step 6: Final answer
    x = 143,427.45

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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.