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Finding the Fourth Proportional to 236,881.53, 355,420.71 and 103,693.23

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Solution

The fourth proportional to 236,881.53, 355,420.71 and 103,693.23 is: 155,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,881.53 : 355,420.71 = 103,693.23 : x
  2. Step 2: Convert to fraction form
    236,881.53/355,420.71 = 103,693.23/x
  3. Step 3: Cross multiply
    236,881.53x = 355,420.71 × 103,693.23
  4. Step 4: Simplify right side
    236,881.53x = 36,854,721,428.79
  5. Step 5: Solve for x
    x = 36,854,721,428.79/236,881.53
  6. Step 6: Final answer
    x = 155,582.93

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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.