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Finding the Fourth Proportional to 358,019.16, 536,970.36 and 108,701.16

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Solution

The fourth proportional to 358,019.16, 536,970.36 and 108,701.16 is: 163,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,019.16 : 536,970.36 = 108,701.16 : x
  2. Step 2: Convert to fraction form
    358,019.16/536,970.36 = 108,701.16/x
  3. Step 3: Cross multiply
    358,019.16x = 536,970.36 × 108,701.16
  4. Step 4: Simplify right side
    358,019.16x = 58,369,301,017.62
  5. Step 5: Solve for x
    x = 58,369,301,017.62/358,019.16
  6. Step 6: Final answer
    x = 163,034.01

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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.