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Finding the Fourth Proportional to 149,062.40, 223,010.40 and 96,574.40

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Solution

The fourth proportional to 149,062.40, 223,010.40 and 96,574.40 is: 144,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,062.40 : 223,010.40 = 96,574.40 : x
  2. Step 2: Convert to fraction form
    149,062.40/223,010.40 = 96,574.40/x
  3. Step 3: Cross multiply
    149,062.40x = 223,010.40 × 96,574.40
  4. Step 4: Simplify right side
    149,062.40x = 21,537,095,573.76
  5. Step 5: Solve for x
    x = 21,537,095,573.76/149,062.40
  6. Step 6: Final answer
    x = 144,483.76

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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.