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Finding the Fourth Proportional to 189,023.52, 260,737.08 and 112,491.24

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Solution

The fourth proportional to 189,023.52, 260,737.08 and 112,491.24 is: 155,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023.52 : 260,737.08 = 112,491.24 : x
  2. Step 2: Convert to fraction form
    189,023.52/260,737.08 = 112,491.24/x
  3. Step 3: Cross multiply
    189,023.52x = 260,737.08 × 112,491.24
  4. Step 4: Simplify right side
    189,023.52x = 29,330,637,443.18
  5. Step 5: Solve for x
    x = 29,330,637,443.18/189,023.52
  6. Step 6: Final answer
    x = 155,169.25

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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.