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Finding the Fourth Proportional to 127,598.69, 176,084.48 and 71,010.07

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Solution

The fourth proportional to 127,598.69, 176,084.48 and 71,010.07 is: 97,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598.69 : 176,084.48 = 71,010.07 : x
  2. Step 2: Convert to fraction form
    127,598.69/176,084.48 = 71,010.07/x
  3. Step 3: Cross multiply
    127,598.69x = 176,084.48 × 71,010.07
  4. Step 4: Simplify right side
    127,598.69x = 12,503,770,988.03
  5. Step 5: Solve for x
    x = 12,503,770,988.03/127,598.69
  6. Step 6: Final answer
    x = 97,992.94

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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.