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Finding the Fourth Proportional to 375,830.76, 563,686.12 and 109,528.98

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Solution

The fourth proportional to 375,830.76, 563,686.12 and 109,528.98 is: 164,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,830.76 : 563,686.12 = 109,528.98 : x
  2. Step 2: Convert to fraction form
    375,830.76/563,686.12 = 109,528.98/x
  3. Step 3: Cross multiply
    375,830.76x = 563,686.12 × 109,528.98
  4. Step 4: Simplify right side
    375,830.76x = 61,739,965,763.76
  5. Step 5: Solve for x
    x = 61,739,965,763.76/375,830.76
  6. Step 6: Final answer
    x = 164,275.98

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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.