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Finding the Fourth Proportional to 119,325.30, 164,669.52 and 65,613.78

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Solution

The fourth proportional to 119,325.30, 164,669.52 and 65,613.78 is: 90,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,325.30 : 164,669.52 = 65,613.78 : x
  2. Step 2: Convert to fraction form
    119,325.30/164,669.52 = 65,613.78/x
  3. Step 3: Cross multiply
    119,325.30x = 164,669.52 × 65,613.78
  4. Step 4: Simplify right side
    119,325.30x = 10,804,589,657.99
  5. Step 5: Solve for x
    x = 10,804,589,657.99/119,325.30
  6. Step 6: Final answer
    x = 90,547.35

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1.5x scale

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.