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Finding the Fourth Proportional to 140,957.60, 211,030.26 and 93,619.98

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Solution

The fourth proportional to 140,957.60, 211,030.26 and 93,619.98 is: 140,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,957.60 : 211,030.26 = 93,619.98 : x
  2. Step 2: Convert to fraction form
    140,957.60/211,030.26 = 93,619.98/x
  3. Step 3: Cross multiply
    140,957.60x = 211,030.26 × 93,619.98
  4. Step 4: Simplify right side
    140,957.60x = 19,756,648,720.59
  5. Step 5: Solve for x
    x = 19,756,648,720.59/140,957.60
  6. Step 6: Final answer
    x = 140,160.22

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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.