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Finding the Fourth Proportional to 227,555.76, 314,027.08 and 126,953.76

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Solution

The fourth proportional to 227,555.76, 314,027.08 and 126,953.76 is: 175,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,555.76 : 314,027.08 = 126,953.76 : x
  2. Step 2: Convert to fraction form
    227,555.76/314,027.08 = 126,953.76/x
  3. Step 3: Cross multiply
    227,555.76x = 314,027.08 × 126,953.76
  4. Step 4: Simplify right side
    227,555.76x = 39,866,918,547.82
  5. Step 5: Solve for x
    x = 39,866,918,547.82/227,555.76
  6. Step 6: Final answer
    x = 175,196.26

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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.