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Finding the Fourth Proportional to 127,498.68, 175,945.68 and 70,908.84

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Solution

The fourth proportional to 127,498.68, 175,945.68 and 70,908.84 is: 97,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,498.68 : 175,945.68 = 70,908.84 : x
  2. Step 2: Convert to fraction form
    127,498.68/175,945.68 = 70,908.84/x
  3. Step 3: Cross multiply
    127,498.68x = 175,945.68 × 70,908.84
  4. Step 4: Simplify right side
    127,498.68x = 12,476,104,071.81
  5. Step 5: Solve for x
    x = 12,476,104,071.81/127,498.68
  6. Step 6: Final answer
    x = 97,852.81

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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.