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Finding the Fourth Proportional to 290,316.42, 435,502.17 and 112,837.14

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Solution

The fourth proportional to 290,316.42, 435,502.17 and 112,837.14 is: 169,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,316.42 : 435,502.17 = 112,837.14 : x
  2. Step 2: Convert to fraction form
    290,316.42/435,502.17 = 112,837.14/x
  3. Step 3: Cross multiply
    290,316.42x = 435,502.17 × 112,837.14
  4. Step 4: Simplify right side
    290,316.42x = 49,140,819,326.59
  5. Step 5: Solve for x
    x = 49,140,819,326.59/290,316.42
  6. Step 6: Final answer
    x = 169,266.41

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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.