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Finding the Fourth Proportional to 265,888.70, 366,927.55 and 145,032.58

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Solution

The fourth proportional to 265,888.70, 366,927.55 and 145,032.58 is: 200,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,888.70 : 366,927.55 = 145,032.58 : x
  2. Step 2: Convert to fraction form
    265,888.70/366,927.55 = 145,032.58/x
  3. Step 3: Cross multiply
    265,888.70x = 366,927.55 × 145,032.58
  4. Step 4: Simplify right side
    265,888.70x = 53,216,449,249.58
  5. Step 5: Solve for x
    x = 53,216,449,249.58/265,888.70
  6. Step 6: Final answer
    x = 200,145.58

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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.