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Finding the Fourth Proportional to 96,673.79, 144,838.95 and 40,389.93

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Solution

The fourth proportional to 96,673.79, 144,838.95 and 40,389.93 is: 60,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,673.79 : 144,838.95 = 40,389.93 : x
  2. Step 2: Convert to fraction form
    96,673.79/144,838.95 = 40,389.93/x
  3. Step 3: Cross multiply
    96,673.79x = 144,838.95 × 40,389.93
  4. Step 4: Simplify right side
    96,673.79x = 5,850,035,051.77
  5. Step 5: Solve for x
    x = 5,850,035,051.77/96,673.79
  6. Step 6: Final answer
    x = 60,513.15

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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.