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Finding the Fourth Proportional to 73,873.04, 101,936.76 and 42,038.96

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Solution

The fourth proportional to 73,873.04, 101,936.76 and 42,038.96 is: 58,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.04 : 101,936.76 = 42,038.96 : x
  2. Step 2: Convert to fraction form
    73,873.04/101,936.76 = 42,038.96/x
  3. Step 3: Cross multiply
    73,873.04x = 101,936.76 × 42,038.96
  4. Step 4: Simplify right side
    73,873.04x = 4,285,315,376.17
  5. Step 5: Solve for x
    x = 4,285,315,376.17/73,873.04
  6. Step 6: Final answer
    x = 58,009.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.