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Finding the Fourth Proportional to 368,117.16, 552,188.10 and 101,855.40

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Solution

The fourth proportional to 368,117.16, 552,188.10 and 101,855.40 is: 152,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,117.16 : 552,188.10 = 101,855.40 : x
  2. Step 2: Convert to fraction form
    368,117.16/552,188.10 = 101,855.40/x
  3. Step 3: Cross multiply
    368,117.16x = 552,188.10 × 101,855.40
  4. Step 4: Simplify right side
    368,117.16x = 56,243,339,800.74
  5. Step 5: Solve for x
    x = 56,243,339,800.74/368,117.16
  6. Step 6: Final answer
    x = 152,786.52

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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.