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Finding the Fourth Proportional to 158,622.99, 238,018.05 and 69,937.71

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Solution

The fourth proportional to 158,622.99, 238,018.05 and 69,937.71 is: 104,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,622.99 : 238,018.05 = 69,937.71 : x
  2. Step 2: Convert to fraction form
    158,622.99/238,018.05 = 69,937.71/x
  3. Step 3: Cross multiply
    158,622.99x = 238,018.05 × 69,937.71
  4. Step 4: Simplify right side
    158,622.99x = 16,646,437,355.67
  5. Step 5: Solve for x
    x = 16,646,437,355.67/158,622.99
  6. Step 6: Final answer
    x = 104,943.41

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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.