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Finding the Fourth Proportional to 375,818.39, 563,779.53 and 123,118.77

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Solution

The fourth proportional to 375,818.39, 563,779.53 and 123,118.77 is: 184,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,818.39 : 563,779.53 = 123,118.77 : x
  2. Step 2: Convert to fraction form
    375,818.39/563,779.53 = 123,118.77/x
  3. Step 3: Cross multiply
    375,818.39x = 563,779.53 × 123,118.77
  4. Step 4: Simplify right side
    375,818.39x = 69,411,842,284.78
  5. Step 5: Solve for x
    x = 69,411,842,284.78/375,818.39
  6. Step 6: Final answer
    x = 184,695.17

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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.