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Finding the Fourth Proportional to 144,051.40, 216,077.10 and 60,934.60

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Solution

The fourth proportional to 144,051.40, 216,077.10 and 60,934.60 is: 91,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.40 : 216,077.10 = 60,934.60 : x
  2. Step 2: Convert to fraction form
    144,051.40/216,077.10 = 60,934.60/x
  3. Step 3: Cross multiply
    144,051.40x = 216,077.10 × 60,934.60
  4. Step 4: Simplify right side
    144,051.40x = 13,166,571,657.66
  5. Step 5: Solve for x
    x = 13,166,571,657.66/144,051.40
  6. Step 6: Final answer
    x = 91,401.90

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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.