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Finding the Fourth Proportional to 375,048.63, 562,792.86 and 138,556.17

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Solution

The fourth proportional to 375,048.63, 562,792.86 and 138,556.17 is: 207,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,048.63 : 562,792.86 = 138,556.17 : x
  2. Step 2: Convert to fraction form
    375,048.63/562,792.86 = 138,556.17/x
  3. Step 3: Cross multiply
    375,048.63x = 562,792.86 × 138,556.17
  4. Step 4: Simplify right side
    375,048.63x = 77,978,423,184.95
  5. Step 5: Solve for x
    x = 77,978,423,184.95/375,048.63
  6. Step 6: Final answer
    x = 207,915.50

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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.