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Finding the Fourth Proportional to 153,259.94, 211,467.02 and 89,585.42

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Solution

The fourth proportional to 153,259.94, 211,467.02 and 89,585.42 is: 123,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,259.94 : 211,467.02 = 89,585.42 : x
  2. Step 2: Convert to fraction form
    153,259.94/211,467.02 = 89,585.42/x
  3. Step 3: Cross multiply
    153,259.94x = 211,467.02 × 89,585.42
  4. Step 4: Simplify right side
    153,259.94x = 18,944,361,802.85
  5. Step 5: Solve for x
    x = 18,944,361,802.85/153,259.94
  6. Step 6: Final answer
    x = 123,609.35

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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.