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Finding the Fourth Proportional to 227,587.74, 314,070.89 and 126,985.74

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Solution

The fourth proportional to 227,587.74, 314,070.89 and 126,985.74 is: 175,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,587.74 : 314,070.89 = 126,985.74 : x
  2. Step 2: Convert to fraction form
    227,587.74/314,070.89 = 126,985.74/x
  3. Step 3: Cross multiply
    227,587.74x = 314,070.89 × 126,985.74
  4. Step 4: Simplify right side
    227,587.74x = 39,882,523,744.18
  5. Step 5: Solve for x
    x = 39,882,523,744.18/227,587.74
  6. Step 6: Final answer
    x = 175,240.21

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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.