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Finding the Fourth Proportional to 315,713.50, 473,570.55 and 88,000.02

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Solution

The fourth proportional to 315,713.50, 473,570.55 and 88,000.02 is: 132,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,713.50 : 473,570.55 = 88,000.02 : x
  2. Step 2: Convert to fraction form
    315,713.50/473,570.55 = 88,000.02/x
  3. Step 3: Cross multiply
    315,713.50x = 473,570.55 × 88,000.02
  4. Step 4: Simplify right side
    315,713.50x = 41,674,217,871.41
  5. Step 5: Solve for x
    x = 41,674,217,871.41/315,713.50
  6. Step 6: Final answer
    x = 132,000.11

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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.