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Finding the Fourth Proportional to 78,764.55, 118,130.55 and 22,592.17

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Solution

The fourth proportional to 78,764.55, 118,130.55 and 22,592.17 is: 33,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,764.55 : 118,130.55 = 22,592.17 : x
  2. Step 2: Convert to fraction form
    78,764.55/118,130.55 = 22,592.17/x
  3. Step 3: Cross multiply
    78,764.55x = 118,130.55 × 22,592.17
  4. Step 4: Simplify right side
    78,764.55x = 2,668,824,993.33
  5. Step 5: Solve for x
    x = 2,668,824,993.33/78,764.55
  6. Step 6: Final answer
    x = 33,883.58

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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.