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Finding the Fourth Proportional to 207,038.92, 285,678.04 and 116,382.32

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Solution

The fourth proportional to 207,038.92, 285,678.04 and 116,382.32 is: 160,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,038.92 : 285,678.04 = 116,382.32 : x
  2. Step 2: Convert to fraction form
    207,038.92/285,678.04 = 116,382.32/x
  3. Step 3: Cross multiply
    207,038.92x = 285,678.04 × 116,382.32
  4. Step 4: Simplify right side
    207,038.92x = 33,247,873,068.25
  5. Step 5: Solve for x
    x = 33,247,873,068.25/207,038.92
  6. Step 6: Final answer
    x = 160,587.55

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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.