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Finding the Fourth Proportional to 97,358.80, 134,352.24 and 54,339.52

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Solution

The fourth proportional to 97,358.80, 134,352.24 and 54,339.52 is: 74,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,358.80 : 134,352.24 = 54,339.52 : x
  2. Step 2: Convert to fraction form
    97,358.80/134,352.24 = 54,339.52/x
  3. Step 3: Cross multiply
    97,358.80x = 134,352.24 × 54,339.52
  4. Step 4: Simplify right side
    97,358.80x = 7,300,636,232.52
  5. Step 5: Solve for x
    x = 7,300,636,232.52/97,358.80
  6. Step 6: Final answer
    x = 74,986.92

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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.