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Finding the Fourth Proportional to 181,970.77, 251,117.11 and 101,401.69

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Solution

The fourth proportional to 181,970.77, 251,117.11 and 101,401.69 is: 139,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.77 : 251,117.11 = 101,401.69 : x
  2. Step 2: Convert to fraction form
    181,970.77/251,117.11 = 101,401.69/x
  3. Step 3: Cross multiply
    181,970.77x = 251,117.11 × 101,401.69
  4. Step 4: Simplify right side
    181,970.77x = 25,463,699,341.92
  5. Step 5: Solve for x
    x = 25,463,699,341.92/181,970.77
  6. Step 6: Final answer
    x = 139,932.91

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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.