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Finding the Fourth Proportional to 202,347.70, 303,521.55 and 97,141.30

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Solution

The fourth proportional to 202,347.70, 303,521.55 and 97,141.30 is: 145,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,347.70 : 303,521.55 = 97,141.30 : x
  2. Step 2: Convert to fraction form
    202,347.70/303,521.55 = 97,141.30/x
  3. Step 3: Cross multiply
    202,347.70x = 303,521.55 × 97,141.30
  4. Step 4: Simplify right side
    202,347.70x = 29,484,477,945.02
  5. Step 5: Solve for x
    x = 29,484,477,945.02/202,347.70
  6. Step 6: Final answer
    x = 145,711.95

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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.