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Finding the Fourth Proportional to 144,328.71, 216,437.70 and 49,541.23

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Solution

The fourth proportional to 144,328.71, 216,437.70 and 49,541.23 is: 74,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,328.71 : 216,437.70 = 49,541.23 : x
  2. Step 2: Convert to fraction form
    144,328.71/216,437.70 = 49,541.23/x
  3. Step 3: Cross multiply
    144,328.71x = 216,437.70 × 49,541.23
  4. Step 4: Simplify right side
    144,328.71x = 10,722,589,876.37
  5. Step 5: Solve for x
    x = 10,722,589,876.37/144,328.71
  6. Step 6: Final answer
    x = 74,292.84

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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.