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Finding the Fourth Proportional to 98,042.63, 147,060.65 and 27,921.94

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Solution

The fourth proportional to 98,042.63, 147,060.65 and 27,921.94 is: 41,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.63 : 147,060.65 = 27,921.94 : x
  2. Step 2: Convert to fraction form
    98,042.63/147,060.65 = 27,921.94/x
  3. Step 3: Cross multiply
    98,042.63x = 147,060.65 × 27,921.94
  4. Step 4: Simplify right side
    98,042.63x = 4,106,218,347.81
  5. Step 5: Solve for x
    x = 4,106,218,347.81/98,042.63
  6. Step 6: Final answer
    x = 41,881.97

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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.