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Finding the Fourth Proportional to 153,357.52, 211,643.06 and 92,933.46

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Solution

The fourth proportional to 153,357.52, 211,643.06 and 92,933.46 is: 128,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,357.52 : 211,643.06 = 92,933.46 : x
  2. Step 2: Convert to fraction form
    153,357.52/211,643.06 = 92,933.46/x
  3. Step 3: Cross multiply
    153,357.52x = 211,643.06 × 92,933.46
  4. Step 4: Simplify right side
    153,357.52x = 19,668,721,850.79
  5. Step 5: Solve for x
    x = 19,668,721,850.79/153,357.52
  6. Step 6: Final answer
    x = 128,254.04

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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.