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Finding the Fourth Proportional to 608,406.16, 912,539.51 and 159,170.38

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Solution

The fourth proportional to 608,406.16, 912,539.51 and 159,170.38 is: 238,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,406.16 : 912,539.51 = 159,170.38 : x
  2. Step 2: Convert to fraction form
    608,406.16/912,539.51 = 159,170.38/x
  3. Step 3: Cross multiply
    608,406.16x = 912,539.51 × 159,170.38
  4. Step 4: Simplify right side
    608,406.16x = 145,249,258,688.29
  5. Step 5: Solve for x
    x = 145,249,258,688.29/608,406.16
  6. Step 6: Final answer
    x = 238,737.33

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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.