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Finding the Fourth Proportional to 207,285.84, 286,047.36 and 116,645.76

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Solution

The fourth proportional to 207,285.84, 286,047.36 and 116,645.76 is: 160,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,285.84 : 286,047.36 = 116,645.76 : x
  2. Step 2: Convert to fraction form
    207,285.84/286,047.36 = 116,645.76/x
  3. Step 3: Cross multiply
    207,285.84x = 286,047.36 × 116,645.76
  4. Step 4: Simplify right side
    207,285.84x = 33,366,211,703.19
  5. Step 5: Solve for x
    x = 33,366,211,703.19/207,285.84
  6. Step 6: Final answer
    x = 160,967.15

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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.