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Finding the Fourth Proportional to 127,668.80, 176,094.95 and 116,292.76

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Solution

The fourth proportional to 127,668.80, 176,094.95 and 116,292.76 is: 160,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,668.80 : 176,094.95 = 116,292.76 : x
  2. Step 2: Convert to fraction form
    127,668.80/176,094.95 = 116,292.76/x
  3. Step 3: Cross multiply
    127,668.80x = 176,094.95 × 116,292.76
  4. Step 4: Simplify right side
    127,668.80x = 20,478,566,735.86
  5. Step 5: Solve for x
    x = 20,478,566,735.86/127,668.80
  6. Step 6: Final answer
    x = 160,403.84

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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.