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Finding the Fourth Proportional to 375,112.80, 562,580.88 and 108,803.04

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Solution

The fourth proportional to 375,112.80, 562,580.88 and 108,803.04 is: 163,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,112.80 : 562,580.88 = 108,803.04 : x
  2. Step 2: Convert to fraction form
    375,112.80/562,580.88 = 108,803.04/x
  3. Step 3: Cross multiply
    375,112.80x = 562,580.88 × 108,803.04
  4. Step 4: Simplify right side
    375,112.80x = 61,210,509,989.88
  5. Step 5: Solve for x
    x = 61,210,509,989.88/375,112.80
  6. Step 6: Final answer
    x = 163,178.94

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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.