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Finding the Fourth Proportional to 242,302.51, 363,478.62 and 92,668.65

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Solution

The fourth proportional to 242,302.51, 363,478.62 and 92,668.65 is: 139,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,302.51 : 363,478.62 = 92,668.65 : x
  2. Step 2: Convert to fraction form
    242,302.51/363,478.62 = 92,668.65/x
  3. Step 3: Cross multiply
    242,302.51x = 363,478.62 × 92,668.65
  4. Step 4: Simplify right side
    242,302.51x = 33,683,073,019.26
  5. Step 5: Solve for x
    x = 33,683,073,019.26/242,302.51
  6. Step 6: Final answer
    x = 139,012.48

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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.