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Finding the Fourth Proportional to 259,691.04, 358,372.13 and 144,963.05

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Solution

The fourth proportional to 259,691.04, 358,372.13 and 144,963.05 is: 200,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,691.04 : 358,372.13 = 144,963.05 : x
  2. Step 2: Convert to fraction form
    259,691.04/358,372.13 = 144,963.05/x
  3. Step 3: Cross multiply
    259,691.04x = 358,372.13 × 144,963.05
  4. Step 4: Simplify right side
    259,691.04x = 51,950,714,483.12
  5. Step 5: Solve for x
    x = 51,950,714,483.12/259,691.04
  6. Step 6: Final answer
    x = 200,048.16

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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.