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Finding the Fourth Proportional to 286,036.61, 429,073.14 and 96,516.05

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Solution

The fourth proportional to 286,036.61, 429,073.14 and 96,516.05 is: 144,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036.61 : 429,073.14 = 96,516.05 : x
  2. Step 2: Convert to fraction form
    286,036.61/429,073.14 = 96,516.05/x
  3. Step 3: Cross multiply
    286,036.61x = 429,073.14 × 96,516.05
  4. Step 4: Simplify right side
    286,036.61x = 41,412,444,633.90
  5. Step 5: Solve for x
    x = 41,412,444,633.90/286,036.61
  6. Step 6: Final answer
    x = 144,780.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.