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Finding the Fourth Proportional to 119,575, 165,013.50 and 69,303.16

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Solution

The fourth proportional to 119,575, 165,013.50 and 69,303.16 is: 95,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575 : 165,013.50 = 69,303.16 : x
  2. Step 2: Convert to fraction form
    119,575/165,013.50 = 69,303.16/x
  3. Step 3: Cross multiply
    119,575x = 165,013.50 × 69,303.16
  4. Step 4: Simplify right side
    119,575x = 11,435,956,992.66
  5. Step 5: Solve for x
    x = 11,435,956,992.66/119,575
  6. Step 6: Final answer
    x = 95,638.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.