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Finding the Fourth Proportional to 207,322.83, 286,128.72 and 116,700.84

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Solution

The fourth proportional to 207,322.83, 286,128.72 and 116,700.84 is: 161,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,322.83 : 286,128.72 = 116,700.84 : x
  2. Step 2: Convert to fraction form
    207,322.83/286,128.72 = 116,700.84/x
  3. Step 3: Cross multiply
    207,322.83x = 286,128.72 × 116,700.84
  4. Step 4: Simplify right side
    207,322.83x = 33,391,461,972.12
  5. Step 5: Solve for x
    x = 33,391,461,972.12/207,322.83
  6. Step 6: Final answer
    x = 161,060.23

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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.