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Finding the Fourth Proportional to 70,399.44, 97,152 and 38,567.52

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Solution

The fourth proportional to 70,399.44, 97,152 and 38,567.52 is: 53,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,399.44 : 97,152 = 38,567.52 : x
  2. Step 2: Convert to fraction form
    70,399.44/97,152 = 38,567.52/x
  3. Step 3: Cross multiply
    70,399.44x = 97,152 × 38,567.52
  4. Step 4: Simplify right side
    70,399.44x = 3,746,911,703.04
  5. Step 5: Solve for x
    x = 3,746,911,703.04/70,399.44
  6. Step 6: Final answer
    x = 53,223.60

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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.