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Finding the Fourth Proportional to 110,803.32, 152,920.62 and 68,360.76

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Solution

The fourth proportional to 110,803.32, 152,920.62 and 68,360.76 is: 94,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,803.32 : 152,920.62 = 68,360.76 : x
  2. Step 2: Convert to fraction form
    110,803.32/152,920.62 = 68,360.76/x
  3. Step 3: Cross multiply
    110,803.32x = 152,920.62 × 68,360.76
  4. Step 4: Simplify right side
    110,803.32x = 10,453,769,802.87
  5. Step 5: Solve for x
    x = 10,453,769,802.87/110,803.32
  6. Step 6: Final answer
    x = 94,345.28

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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.