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Finding the Fourth Proportional to 99,376.40, 148,805.40 and 94,710.80

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Solution

The fourth proportional to 99,376.40, 148,805.40 and 94,710.80 is: 141,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.40 : 148,805.40 = 94,710.80 : x
  2. Step 2: Convert to fraction form
    99,376.40/148,805.40 = 94,710.80/x
  3. Step 3: Cross multiply
    99,376.40x = 148,805.40 × 94,710.80
  4. Step 4: Simplify right side
    99,376.40x = 14,093,478,478.32
  5. Step 5: Solve for x
    x = 14,093,478,478.32/99,376.40
  6. Step 6: Final answer
    x = 141,819.17

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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.