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Finding the Fourth Proportional to 98,511.51, 147,699.76 and 35,330.28

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Solution

The fourth proportional to 98,511.51, 147,699.76 and 35,330.28 is: 52,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.51 : 147,699.76 = 35,330.28 : x
  2. Step 2: Convert to fraction form
    98,511.51/147,699.76 = 35,330.28/x
  3. Step 3: Cross multiply
    98,511.51x = 147,699.76 × 35,330.28
  4. Step 4: Simplify right side
    98,511.51x = 5,218,273,876.73
  5. Step 5: Solve for x
    x = 5,218,273,876.73/98,511.51
  6. Step 6: Final answer
    x = 52,971.21

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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.