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Finding the Fourth Proportional to 179,482.61, 247,687.70 and 98,913.07

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Solution

The fourth proportional to 179,482.61, 247,687.70 and 98,913.07 is: 136,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,482.61 : 247,687.70 = 98,913.07 : x
  2. Step 2: Convert to fraction form
    179,482.61/247,687.70 = 98,913.07/x
  3. Step 3: Cross multiply
    179,482.61x = 247,687.70 × 98,913.07
  4. Step 4: Simplify right side
    179,482.61x = 24,499,551,598.10
  5. Step 5: Solve for x
    x = 24,499,551,598.10/179,482.61
  6. Step 6: Final answer
    x = 136,500.98

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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.