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Finding the Fourth Proportional to 119,259.84, 164,567.88 and 65,544.24

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Solution

The fourth proportional to 119,259.84, 164,567.88 and 65,544.24 is: 90,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,259.84 : 164,567.88 = 65,544.24 : x
  2. Step 2: Convert to fraction form
    119,259.84/164,567.88 = 65,544.24/x
  3. Step 3: Cross multiply
    119,259.84x = 164,567.88 × 65,544.24
  4. Step 4: Simplify right side
    119,259.84x = 10,786,476,623.01
  5. Step 5: Solve for x
    x = 10,786,476,623.01/119,259.84
  6. Step 6: Final answer
    x = 90,445.17

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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.