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Finding the Fourth Proportional to 127,842.93, 176,420.00 and 70,480.91

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Solution

The fourth proportional to 127,842.93, 176,420.00 and 70,480.91 is: 97,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,842.93 : 176,420.00 = 70,480.91 : x
  2. Step 2: Convert to fraction form
    127,842.93/176,420.00 = 70,480.91/x
  3. Step 3: Cross multiply
    127,842.93x = 176,420.00 × 70,480.91
  4. Step 4: Simplify right side
    127,842.93x = 12,434,242,759.45
  5. Step 5: Solve for x
    x = 12,434,242,759.45/127,842.93
  6. Step 6: Final answer
    x = 97,261.87

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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.