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Finding the Fourth Proportional to 144,340.41, 216,510.72 and 39,159.37

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Solution

The fourth proportional to 144,340.41, 216,510.72 and 39,159.37 is: 58,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,340.41 : 216,510.72 = 39,159.37 : x
  2. Step 2: Convert to fraction form
    144,340.41/216,510.72 = 39,159.37/x
  3. Step 3: Cross multiply
    144,340.41x = 216,510.72 × 39,159.37
  4. Step 4: Simplify right side
    144,340.41x = 8,478,424,346.45
  5. Step 5: Solve for x
    x = 8,478,424,346.45/144,340.41
  6. Step 6: Final answer
    x = 58,739.09

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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.