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Finding the Fourth Proportional to 216,539.33, 298,812.16 and 119,737.58

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Solution

The fourth proportional to 216,539.33, 298,812.16 and 119,737.58 is: 165,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,539.33 : 298,812.16 = 119,737.58 : x
  2. Step 2: Convert to fraction form
    216,539.33/298,812.16 = 119,737.58/x
  3. Step 3: Cross multiply
    216,539.33x = 298,812.16 × 119,737.58
  4. Step 4: Simplify right side
    216,539.33x = 35,779,044,314.28
  5. Step 5: Solve for x
    x = 35,779,044,314.28/216,539.33
  6. Step 6: Final answer
    x = 165,231.16

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1.5x scale

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.