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Finding the Fourth Proportional to 112,533.91, 168,844.60 and 42,462.43

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Solution

The fourth proportional to 112,533.91, 168,844.60 and 42,462.43 is: 63,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.91 : 168,844.60 = 42,462.43 : x
  2. Step 2: Convert to fraction form
    112,533.91/168,844.60 = 42,462.43/x
  3. Step 3: Cross multiply
    112,533.91x = 168,844.60 × 42,462.43
  4. Step 4: Simplify right side
    112,533.91x = 7,169,551,639.34
  5. Step 5: Solve for x
    x = 7,169,551,639.34/112,533.91
  6. Step 6: Final answer
    x = 63,710.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.