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Finding the Fourth Proportional to 315,360.83, 473,103.55 and 115,682.95

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Solution

The fourth proportional to 315,360.83, 473,103.55 and 115,682.95 is: 173,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,360.83 : 473,103.55 = 115,682.95 : x
  2. Step 2: Convert to fraction form
    315,360.83/473,103.55 = 115,682.95/x
  3. Step 3: Cross multiply
    315,360.83x = 473,103.55 × 115,682.95
  4. Step 4: Simplify right side
    315,360.83x = 54,730,011,953.95
  5. Step 5: Solve for x
    x = 54,730,011,953.95/315,360.83
  6. Step 6: Final answer
    x = 173,547.27

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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.