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Finding the Fourth Proportional to 201,465.58, 278,062.04 and 115,482.24

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Solution

The fourth proportional to 201,465.58, 278,062.04 and 115,482.24 is: 159,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465.58 : 278,062.04 = 115,482.24 : x
  2. Step 2: Convert to fraction form
    201,465.58/278,062.04 = 115,482.24/x
  3. Step 3: Cross multiply
    201,465.58x = 278,062.04 × 115,482.24
  4. Step 4: Simplify right side
    201,465.58x = 32,111,227,238.17
  5. Step 5: Solve for x
    x = 32,111,227,238.17/201,465.58
  6. Step 6: Final answer
    x = 159,388.16

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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.