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Finding the Fourth Proportional to 207,302.40, 286,070.40 and 116,660.16

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Solution

The fourth proportional to 207,302.40, 286,070.40 and 116,660.16 is: 160,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,302.40 : 286,070.40 = 116,660.16 : x
  2. Step 2: Convert to fraction form
    207,302.40/286,070.40 = 116,660.16/x
  3. Step 3: Cross multiply
    207,302.40x = 286,070.40 × 116,660.16
  4. Step 4: Simplify right side
    207,302.40x = 33,373,018,635.26
  5. Step 5: Solve for x
    x = 33,373,018,635.26/207,302.40
  6. Step 6: Final answer
    x = 160,987.13

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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.