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Finding the Fourth Proportional to 375,878.37, 563,808.04 and 109,641.20

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Solution

The fourth proportional to 375,878.37, 563,808.04 and 109,641.20 is: 164,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,878.37 : 563,808.04 = 109,641.20 : x
  2. Step 2: Convert to fraction form
    375,878.37/563,808.04 = 109,641.20/x
  3. Step 3: Cross multiply
    375,878.37x = 563,808.04 × 109,641.20
  4. Step 4: Simplify right side
    375,878.37x = 61,816,587,598.84
  5. Step 5: Solve for x
    x = 61,816,587,598.84/375,878.37
  6. Step 6: Final answer
    x = 164,459.02

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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.