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Finding the Fourth Proportional to 127,291.96, 175,668.47 and 70,703.34

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Solution

The fourth proportional to 127,291.96, 175,668.47 and 70,703.34 is: 97,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.96 : 175,668.47 = 70,703.34 : x
  2. Step 2: Convert to fraction form
    127,291.96/175,668.47 = 70,703.34/x
  3. Step 3: Cross multiply
    127,291.96x = 175,668.47 × 70,703.34
  4. Step 4: Simplify right side
    127,291.96x = 12,420,347,561.69
  5. Step 5: Solve for x
    x = 12,420,347,561.69/127,291.96
  6. Step 6: Final answer
    x = 97,573.70

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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.