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Finding the Fourth Proportional to 75,598.83, 104,330.68 and 43,338.78

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Solution

The fourth proportional to 75,598.83, 104,330.68 and 43,338.78 is: 59,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,598.83 : 104,330.68 = 43,338.78 : x
  2. Step 2: Convert to fraction form
    75,598.83/104,330.68 = 43,338.78/x
  3. Step 3: Cross multiply
    75,598.83x = 104,330.68 × 43,338.78
  4. Step 4: Simplify right side
    75,598.83x = 4,521,564,279.42
  5. Step 5: Solve for x
    x = 4,521,564,279.42/75,598.83
  6. Step 6: Final answer
    x = 59,809.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.