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Finding the Fourth Proportional to 119,315.16, 164,656.02 and 65,600.52

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Solution

The fourth proportional to 119,315.16, 164,656.02 and 65,600.52 is: 90,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,315.16 : 164,656.02 = 65,600.52 : x
  2. Step 2: Convert to fraction form
    119,315.16/164,656.02 = 65,600.52/x
  3. Step 3: Cross multiply
    119,315.16x = 164,656.02 × 65,600.52
  4. Step 4: Simplify right side
    119,315.16x = 10,801,520,533.13
  5. Step 5: Solve for x
    x = 10,801,520,533.13/119,315.16
  6. Step 6: Final answer
    x = 90,529.32

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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.