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Finding the Fourth Proportional to 144,495.60, 216,743.40 and 51,010.80

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Solution

The fourth proportional to 144,495.60, 216,743.40 and 51,010.80 is: 76,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.60 : 216,743.40 = 51,010.80 : x
  2. Step 2: Convert to fraction form
    144,495.60/216,743.40 = 51,010.80/x
  3. Step 3: Cross multiply
    144,495.60x = 216,743.40 × 51,010.80
  4. Step 4: Simplify right side
    144,495.60x = 11,056,254,228.72
  5. Step 5: Solve for x
    x = 11,056,254,228.72/144,495.60
  6. Step 6: Final answer
    x = 76,516.20

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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.