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Finding the Fourth Proportional to 356,466.15, 534,699.63 and 107,148.15

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Solution

The fourth proportional to 356,466.15, 534,699.63 and 107,148.15 is: 160,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,466.15 : 534,699.63 = 107,148.15 : x
  2. Step 2: Convert to fraction form
    356,466.15/534,699.63 = 107,148.15/x
  3. Step 3: Cross multiply
    356,466.15x = 534,699.63 × 107,148.15
  4. Step 4: Simplify right side
    356,466.15x = 57,292,076,160.18
  5. Step 5: Solve for x
    x = 57,292,076,160.18/356,466.15
  6. Step 6: Final answer
    x = 160,722.35

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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.