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Finding the Fourth Proportional to 160,893.93, 221,246.29 and 139,636.29

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Solution

The fourth proportional to 160,893.93, 221,246.29 and 139,636.29 is: 192,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,893.93 : 221,246.29 = 139,636.29 : x
  2. Step 2: Convert to fraction form
    160,893.93/221,246.29 = 139,636.29/x
  3. Step 3: Cross multiply
    160,893.93x = 221,246.29 × 139,636.29
  4. Step 4: Simplify right side
    160,893.93x = 30,894,011,111.86
  5. Step 5: Solve for x
    x = 30,894,011,111.86/160,893.93
  6. Step 6: Final answer
    x = 192,014.77

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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.