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Finding the Fourth Proportional to 202,151.80, 303,337.05 and 83,835.10

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Solution

The fourth proportional to 202,151.80, 303,337.05 and 83,835.10 is: 125,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,151.80 : 303,337.05 = 83,835.10 : x
  2. Step 2: Convert to fraction form
    202,151.80/303,337.05 = 83,835.10/x
  3. Step 3: Cross multiply
    202,151.80x = 303,337.05 × 83,835.10
  4. Step 4: Simplify right side
    202,151.80x = 25,430,291,920.46
  5. Step 5: Solve for x
    x = 25,430,291,920.46/202,151.80
  6. Step 6: Final answer
    x = 125,798.00

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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.