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Finding the Fourth Proportional to 97,064.80, 145,597.20 and 57,601.60

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Solution

The fourth proportional to 97,064.80, 145,597.20 and 57,601.60 is: 86,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,064.80 : 145,597.20 = 57,601.60 : x
  2. Step 2: Convert to fraction form
    97,064.80/145,597.20 = 57,601.60/x
  3. Step 3: Cross multiply
    97,064.80x = 145,597.20 × 57,601.60
  4. Step 4: Simplify right side
    97,064.80x = 8,386,631,675.52
  5. Step 5: Solve for x
    x = 8,386,631,675.52/97,064.80
  6. Step 6: Final answer
    x = 86,402.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.