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Finding the Fourth Proportional to 97,436.80, 134,500.80 and 63,913.60

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Solution

The fourth proportional to 97,436.80, 134,500.80 and 63,913.60 is: 88,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,436.80 : 134,500.80 = 63,913.60 : x
  2. Step 2: Convert to fraction form
    97,436.80/134,500.80 = 63,913.60/x
  3. Step 3: Cross multiply
    97,436.80x = 134,500.80 × 63,913.60
  4. Step 4: Simplify right side
    97,436.80x = 8,596,430,330.88
  5. Step 5: Solve for x
    x = 8,596,430,330.88/97,436.80
  6. Step 6: Final answer
    x = 88,225.70

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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.