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Finding the Fourth Proportional to 227,574.61, 313,875.49 and 145,910.66

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Solution

The fourth proportional to 227,574.61, 313,875.49 and 145,910.66 is: 201,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,574.61 : 313,875.49 = 145,910.66 : x
  2. Step 2: Convert to fraction form
    227,574.61/313,875.49 = 145,910.66/x
  3. Step 3: Cross multiply
    227,574.61x = 313,875.49 × 145,910.66
  4. Step 4: Simplify right side
    227,574.61x = 45,797,779,119.03
  5. Step 5: Solve for x
    x = 45,797,779,119.03/227,574.61
  6. Step 6: Final answer
    x = 201,242.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.