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Finding the Fourth Proportional to 127,316.84, 175,698.46 and 69,955.22

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Solution

The fourth proportional to 127,316.84, 175,698.46 and 69,955.22 is: 96,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316.84 : 175,698.46 = 69,955.22 : x
  2. Step 2: Convert to fraction form
    127,316.84/175,698.46 = 69,955.22/x
  3. Step 3: Cross multiply
    127,316.84x = 175,698.46 × 69,955.22
  4. Step 4: Simplify right side
    127,316.84x = 12,291,024,422.96
  5. Step 5: Solve for x
    x = 12,291,024,422.96/127,316.84
  6. Step 6: Final answer
    x = 96,538.87

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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.