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Finding the Fourth Proportional to 104,688.72, 157,038.24 and 29,814.24

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Solution

The fourth proportional to 104,688.72, 157,038.24 and 29,814.24 is: 44,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.72 : 157,038.24 = 29,814.24 : x
  2. Step 2: Convert to fraction form
    104,688.72/157,038.24 = 29,814.24/x
  3. Step 3: Cross multiply
    104,688.72x = 157,038.24 × 29,814.24
  4. Step 4: Simplify right side
    104,688.72x = 4,681,975,776.54
  5. Step 5: Solve for x
    x = 4,681,975,776.54/104,688.72
  6. Step 6: Final answer
    x = 44,722.83

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1.5x scale

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.