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Finding the Fourth Proportional to 162,979.52, 244,280.08 and 61,713.18

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Solution

The fourth proportional to 162,979.52, 244,280.08 and 61,713.18 is: 92,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,979.52 : 244,280.08 = 61,713.18 : x
  2. Step 2: Convert to fraction form
    162,979.52/244,280.08 = 61,713.18/x
  3. Step 3: Cross multiply
    162,979.52x = 244,280.08 × 61,713.18
  4. Step 4: Simplify right side
    162,979.52x = 15,075,300,547.45
  5. Step 5: Solve for x
    x = 15,075,300,547.45/162,979.52
  6. Step 6: Final answer
    x = 92,498.13

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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.