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Finding the Fourth Proportional to 200,545.02, 300,501.09 and 74,011.14

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Solution

The fourth proportional to 200,545.02, 300,501.09 and 74,011.14 is: 110,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,545.02 : 300,501.09 = 74,011.14 : x
  2. Step 2: Convert to fraction form
    200,545.02/300,501.09 = 74,011.14/x
  3. Step 3: Cross multiply
    200,545.02x = 300,501.09 × 74,011.14
  4. Step 4: Simplify right side
    200,545.02x = 22,240,428,242.14
  5. Step 5: Solve for x
    x = 22,240,428,242.14/200,545.02
  6. Step 6: Final answer
    x = 110,899.93

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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.