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Finding the Fourth Proportional to 179,574.72, 247,813.74 and 99,000.48

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Solution

The fourth proportional to 179,574.72, 247,813.74 and 99,000.48 is: 136,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,574.72 : 247,813.74 = 99,000.48 : x
  2. Step 2: Convert to fraction form
    179,574.72/247,813.74 = 99,000.48/x
  3. Step 3: Cross multiply
    179,574.72x = 247,813.74 × 99,000.48
  4. Step 4: Simplify right side
    179,574.72x = 24,533,679,210.60
  5. Step 5: Solve for x
    x = 24,533,679,210.60/179,574.72
  6. Step 6: Final answer
    x = 136,621.01

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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.