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Finding the Fourth Proportional to 375,262.64, 562,896.84 and 109,041.20

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Solution

The fourth proportional to 375,262.64, 562,896.84 and 109,041.20 is: 163,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,262.64 : 562,896.84 = 109,041.20 : x
  2. Step 2: Convert to fraction form
    375,262.64/562,896.84 = 109,041.20/x
  3. Step 3: Cross multiply
    375,262.64x = 562,896.84 × 109,041.20
  4. Step 4: Simplify right side
    375,262.64x = 61,378,946,909.81
  5. Step 5: Solve for x
    x = 61,378,946,909.81/375,262.64
  6. Step 6: Final answer
    x = 163,562.64

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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.