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Finding the Fourth Proportional to 160,988.40, 241,386.60 and 98,703.60

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Solution

The fourth proportional to 160,988.40, 241,386.60 and 98,703.60 is: 147,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.40 : 241,386.60 = 98,703.60 : x
  2. Step 2: Convert to fraction form
    160,988.40/241,386.60 = 98,703.60/x
  3. Step 3: Cross multiply
    160,988.40x = 241,386.60 × 98,703.60
  4. Step 4: Simplify right side
    160,988.40x = 23,825,726,411.76
  5. Step 5: Solve for x
    x = 23,825,726,411.76/160,988.40
  6. Step 6: Final answer
    x = 147,996.54

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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.