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Finding the Fourth Proportional to 140,471.71, 210,663.63 and 46,955.59

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Solution

The fourth proportional to 140,471.71, 210,663.63 and 46,955.59 is: 70,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471.71 : 210,663.63 = 46,955.59 : x
  2. Step 2: Convert to fraction form
    140,471.71/210,663.63 = 46,955.59/x
  3. Step 3: Cross multiply
    140,471.71x = 210,663.63 × 46,955.59
  4. Step 4: Simplify right side
    140,471.71x = 9,891,835,038.19
  5. Step 5: Solve for x
    x = 9,891,835,038.19/140,471.71
  6. Step 6: Final answer
    x = 70,418.70

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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.