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Finding the Fourth Proportional to 88,670.40, 133,070.40 and 62,426.40

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Solution

The fourth proportional to 88,670.40, 133,070.40 and 62,426.40 is: 93,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.40 : 133,070.40 = 62,426.40 : x
  2. Step 2: Convert to fraction form
    88,670.40/133,070.40 = 62,426.40/x
  3. Step 3: Cross multiply
    88,670.40x = 133,070.40 × 62,426.40
  4. Step 4: Simplify right side
    88,670.40x = 8,307,106,018.56
  5. Step 5: Solve for x
    x = 8,307,106,018.56/88,670.40
  6. Step 6: Final answer
    x = 93,685.22

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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.