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Finding the Fourth Proportional to 97,601.80, 146,402.70 and 45,113.80

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Solution

The fourth proportional to 97,601.80, 146,402.70 and 45,113.80 is: 67,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,601.80 : 146,402.70 = 45,113.80 : x
  2. Step 2: Convert to fraction form
    97,601.80/146,402.70 = 45,113.80/x
  3. Step 3: Cross multiply
    97,601.80x = 146,402.70 × 45,113.80
  4. Step 4: Simplify right side
    97,601.80x = 6,604,782,127.26
  5. Step 5: Solve for x
    x = 6,604,782,127.26/97,601.80
  6. Step 6: Final answer
    x = 67,670.70

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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.