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Finding the Fourth Proportional to 227,641.65, 314,162.85 and 125,686.68

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Solution

The fourth proportional to 227,641.65, 314,162.85 and 125,686.68 is: 173,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,641.65 : 314,162.85 = 125,686.68 : x
  2. Step 2: Convert to fraction form
    227,641.65/314,162.85 = 125,686.68/x
  3. Step 3: Cross multiply
    227,641.65x = 314,162.85 × 125,686.68
  4. Step 4: Simplify right side
    227,641.65x = 39,486,085,595.84
  5. Step 5: Solve for x
    x = 39,486,085,595.84/227,641.65
  6. Step 6: Final answer
    x = 173,457.21

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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.