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Finding the Fourth Proportional to 88,700.40, 133,050.60 and 41,315.40

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Solution

The fourth proportional to 88,700.40, 133,050.60 and 41,315.40 is: 61,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,700.40 : 133,050.60 = 41,315.40 : x
  2. Step 2: Convert to fraction form
    88,700.40/133,050.60 = 41,315.40/x
  3. Step 3: Cross multiply
    88,700.40x = 133,050.60 × 41,315.40
  4. Step 4: Simplify right side
    88,700.40x = 5,497,038,759.24
  5. Step 5: Solve for x
    x = 5,497,038,759.24/88,700.40
  6. Step 6: Final answer
    x = 61,973.10

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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.