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Finding the Fourth Proportional to 171,441.52, 236,538.12 and 110,916.32

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Solution

The fourth proportional to 171,441.52, 236,538.12 and 110,916.32 is: 153,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,441.52 : 236,538.12 = 110,916.32 : x
  2. Step 2: Convert to fraction form
    171,441.52/236,538.12 = 110,916.32/x
  3. Step 3: Cross multiply
    171,441.52x = 236,538.12 × 110,916.32
  4. Step 4: Simplify right side
    171,441.52x = 26,235,937,810.12
  5. Step 5: Solve for x
    x = 26,235,937,810.12/171,441.52
  6. Step 6: Final answer
    x = 153,031.41

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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.