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Finding the Fourth Proportional to 97,332.78, 134,293.80 and 57,024.90

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Solution

The fourth proportional to 97,332.78, 134,293.80 and 57,024.90 is: 78,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,332.78 : 134,293.80 = 57,024.90 : x
  2. Step 2: Convert to fraction form
    97,332.78/134,293.80 = 57,024.90/x
  3. Step 3: Cross multiply
    97,332.78x = 134,293.80 × 57,024.90
  4. Step 4: Simplify right side
    97,332.78x = 7,658,090,515.62
  5. Step 5: Solve for x
    x = 7,658,090,515.62/97,332.78
  6. Step 6: Final answer
    x = 78,679.46

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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.