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Finding the Fourth Proportional to 262,929.63, 363,018.06 and 155,534.16

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Solution

The fourth proportional to 262,929.63, 363,018.06 and 155,534.16 is: 214,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,929.63 : 363,018.06 = 155,534.16 : x
  2. Step 2: Convert to fraction form
    262,929.63/363,018.06 = 155,534.16/x
  3. Step 3: Cross multiply
    262,929.63x = 363,018.06 × 155,534.16
  4. Step 4: Simplify right side
    262,929.63x = 56,461,709,026.93
  5. Step 5: Solve for x
    x = 56,461,709,026.93/262,929.63
  6. Step 6: Final answer
    x = 214,740.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.