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Finding the Fourth Proportional to 227,587.49, 314,070.54 and 126,985.49

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Solution

The fourth proportional to 227,587.49, 314,070.54 and 126,985.49 is: 175,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,587.49 : 314,070.54 = 126,985.49 : x
  2. Step 2: Convert to fraction form
    227,587.49/314,070.54 = 126,985.49/x
  3. Step 3: Cross multiply
    227,587.49x = 314,070.54 × 126,985.49
  4. Step 4: Simplify right side
    227,587.49x = 39,882,401,416.46
  5. Step 5: Solve for x
    x = 39,882,401,416.46/227,587.49
  6. Step 6: Final answer
    x = 175,239.87

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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.