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Finding the Fourth Proportional to 242,005.80, 362,717.10 and 123,616.20

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Solution

The fourth proportional to 242,005.80, 362,717.10 and 123,616.20 is: 185,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,005.80 : 362,717.10 = 123,616.20 : x
  2. Step 2: Convert to fraction form
    242,005.80/362,717.10 = 123,616.20/x
  3. Step 3: Cross multiply
    242,005.80x = 362,717.10 × 123,616.20
  4. Step 4: Simplify right side
    242,005.80x = 44,837,709,577.02
  5. Step 5: Solve for x
    x = 44,837,709,577.02/242,005.80
  6. Step 6: Final answer
    x = 185,275.35

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1.5x scale

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.