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Finding the Fourth Proportional to 110,693.78, 152,756.90 and 60,392.78

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Solution

The fourth proportional to 110,693.78, 152,756.90 and 60,392.78 is: 83,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,693.78 : 152,756.90 = 60,392.78 : x
  2. Step 2: Convert to fraction form
    110,693.78/152,756.90 = 60,392.78/x
  3. Step 3: Cross multiply
    110,693.78x = 152,756.90 × 60,392.78
  4. Step 4: Simplify right side
    110,693.78x = 9,225,413,855.18
  5. Step 5: Solve for x
    x = 9,225,413,855.18/110,693.78
  6. Step 6: Final answer
    x = 83,341.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.