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Finding the Fourth Proportional to 124,614.48, 171,965.74 and 70,898.34

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Solution

The fourth proportional to 124,614.48, 171,965.74 and 70,898.34 is: 97,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.48 : 171,965.74 = 70,898.34 : x
  2. Step 2: Convert to fraction form
    124,614.48/171,965.74 = 70,898.34/x
  3. Step 3: Cross multiply
    124,614.48x = 171,965.74 × 70,898.34
  4. Step 4: Simplify right side
    124,614.48x = 12,192,085,502.87
  5. Step 5: Solve for x
    x = 12,192,085,502.87/124,614.48
  6. Step 6: Final answer
    x = 97,838.43

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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.