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Finding the Fourth Proportional to 202,210.70, 303,565.65 and 127,330.70

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Solution

The fourth proportional to 202,210.70, 303,565.65 and 127,330.70 is: 191,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,210.70 : 303,565.65 = 127,330.70 : x
  2. Step 2: Convert to fraction form
    202,210.70/303,565.65 = 127,330.70/x
  3. Step 3: Cross multiply
    202,210.70x = 303,565.65 × 127,330.70
  4. Step 4: Simplify right side
    202,210.70x = 38,653,226,710.46
  5. Step 5: Solve for x
    x = 38,653,226,710.46/202,210.70
  6. Step 6: Final answer
    x = 191,153.22

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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.