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Finding the Fourth Proportional to 70,759.74, 97,655.35 and 52,823.60

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Solution

The fourth proportional to 70,759.74, 97,655.35 and 52,823.60 is: 72,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759.74 : 97,655.35 = 52,823.60 : x
  2. Step 2: Convert to fraction form
    70,759.74/97,655.35 = 52,823.60/x
  3. Step 3: Cross multiply
    70,759.74x = 97,655.35 × 52,823.60
  4. Step 4: Simplify right side
    70,759.74x = 5,158,506,525.92
  5. Step 5: Solve for x
    x = 5,158,506,525.92/70,759.74
  6. Step 6: Final answer
    x = 72,901.72

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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.