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Finding the Fourth Proportional to 119,316.16, 164,657.40 and 65,601.52

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Solution

The fourth proportional to 119,316.16, 164,657.40 and 65,601.52 is: 90,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,316.16 : 164,657.40 = 65,601.52 : x
  2. Step 2: Convert to fraction form
    119,316.16/164,657.40 = 65,601.52/x
  3. Step 3: Cross multiply
    119,316.16x = 164,657.40 × 65,601.52
  4. Step 4: Simplify right side
    119,316.16x = 10,801,775,719.25
  5. Step 5: Solve for x
    x = 10,801,775,719.25/119,316.16
  6. Step 6: Final answer
    x = 90,530.70

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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.