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Finding the Fourth Proportional to 237,074.16, 355,646.60 and 87,302.92

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Solution

The fourth proportional to 237,074.16, 355,646.60 and 87,302.92 is: 130,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,074.16 : 355,646.60 = 87,302.92 : x
  2. Step 2: Convert to fraction form
    237,074.16/355,646.60 = 87,302.92/x
  3. Step 3: Cross multiply
    237,074.16x = 355,646.60 × 87,302.92
  4. Step 4: Simplify right side
    237,074.16x = 31,048,986,668.07
  5. Step 5: Solve for x
    x = 31,048,986,668.07/237,074.16
  6. Step 6: Final answer
    x = 130,967.40

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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.