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Finding the Fourth Proportional to 73,192.19, 101,005.29 and 39,658.19

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Solution

The fourth proportional to 73,192.19, 101,005.29 and 39,658.19 is: 54,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,192.19 : 101,005.29 = 39,658.19 : x
  2. Step 2: Convert to fraction form
    73,192.19/101,005.29 = 39,658.19/x
  3. Step 3: Cross multiply
    73,192.19x = 101,005.29 × 39,658.19
  4. Step 4: Simplify right side
    73,192.19x = 4,005,686,981.83
  5. Step 5: Solve for x
    x = 4,005,686,981.83/73,192.19
  6. Step 6: Final answer
    x = 54,728.34

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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.