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Finding the Fourth Proportional to 315,417.88, 473,133.46 and 113,027.17

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Solution

The fourth proportional to 315,417.88, 473,133.46 and 113,027.17 is: 169,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,417.88 : 473,133.46 = 113,027.17 : x
  2. Step 2: Convert to fraction form
    315,417.88/473,133.46 = 113,027.17/x
  3. Step 3: Cross multiply
    315,417.88x = 473,133.46 × 113,027.17
  4. Step 4: Simplify right side
    315,417.88x = 53,476,934,550.71
  5. Step 5: Solve for x
    x = 53,476,934,550.71/315,417.88
  6. Step 6: Final answer
    x = 169,543.13

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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.