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Finding the Fourth Proportional to 127,296.46, 175,674.68 and 70,707.84

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Solution

The fourth proportional to 127,296.46, 175,674.68 and 70,707.84 is: 97,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,296.46 : 175,674.68 = 70,707.84 : x
  2. Step 2: Convert to fraction form
    127,296.46/175,674.68 = 70,707.84/x
  3. Step 3: Cross multiply
    127,296.46x = 175,674.68 × 70,707.84
  4. Step 4: Simplify right side
    127,296.46x = 12,421,575,933.58
  5. Step 5: Solve for x
    x = 12,421,575,933.58/127,296.46
  6. Step 6: Final answer
    x = 97,579.90

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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.