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Finding the Fourth Proportional to 315,417.22, 473,132.48 and 113,026.51

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Solution

The fourth proportional to 315,417.22, 473,132.48 and 113,026.51 is: 169,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,417.22 : 473,132.48 = 113,026.51 : x
  2. Step 2: Convert to fraction form
    315,417.22/473,132.48 = 113,026.51/x
  3. Step 3: Cross multiply
    315,417.22x = 473,132.48 × 113,026.51
  4. Step 4: Simplify right side
    315,417.22x = 53,476,513,008.33
  5. Step 5: Solve for x
    x = 53,476,513,008.33/315,417.22
  6. Step 6: Final answer
    x = 169,542.15

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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.