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Finding the Fourth Proportional to 165,888.66, 228,926.46 and 90,437.16

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Solution

The fourth proportional to 165,888.66, 228,926.46 and 90,437.16 is: 124,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888.66 : 228,926.46 = 90,437.16 : x
  2. Step 2: Convert to fraction form
    165,888.66/228,926.46 = 90,437.16/x
  3. Step 3: Cross multiply
    165,888.66x = 228,926.46 × 90,437.16
  4. Step 4: Simplify right side
    165,888.66x = 20,703,458,891.25
  5. Step 5: Solve for x
    x = 20,703,458,891.25/165,888.66
  6. Step 6: Final answer
    x = 124,803.34

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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.