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Finding the Fourth Proportional to 127,795.60, 191,722.20 and 39,053.20

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Solution

The fourth proportional to 127,795.60, 191,722.20 and 39,053.20 is: 58,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.60 : 191,722.20 = 39,053.20 : x
  2. Step 2: Convert to fraction form
    127,795.60/191,722.20 = 39,053.20/x
  3. Step 3: Cross multiply
    127,795.60x = 191,722.20 × 39,053.20
  4. Step 4: Simplify right side
    127,795.60x = 7,487,365,421.04
  5. Step 5: Solve for x
    x = 7,487,365,421.04/127,795.60
  6. Step 6: Final answer
    x = 58,588.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.