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Finding the Fourth Proportional to 127,873.94, 176,476.55 and 70,524.48

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Solution

The fourth proportional to 127,873.94, 176,476.55 and 70,524.48 is: 97,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,873.94 : 176,476.55 = 70,524.48 : x
  2. Step 2: Convert to fraction form
    127,873.94/176,476.55 = 70,524.48/x
  3. Step 3: Cross multiply
    127,873.94x = 176,476.55 × 70,524.48
  4. Step 4: Simplify right side
    127,873.94x = 12,445,916,920.94
  5. Step 5: Solve for x
    x = 12,445,916,920.94/127,873.94
  6. Step 6: Final answer
    x = 97,329.58

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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.