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Finding the Fourth Proportional to 119,325.42, 164,669.70 and 65,613.90

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Solution

The fourth proportional to 119,325.42, 164,669.70 and 65,613.90 is: 90,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,325.42 : 164,669.70 = 65,613.90 : x
  2. Step 2: Convert to fraction form
    119,325.42/164,669.70 = 65,613.90/x
  3. Step 3: Cross multiply
    119,325.42x = 164,669.70 × 65,613.90
  4. Step 4: Simplify right side
    119,325.42x = 10,804,620,900.76
  5. Step 5: Solve for x
    x = 10,804,620,900.76/119,325.42
  6. Step 6: Final answer
    x = 90,547.52

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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.