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Finding the Fourth Proportional to 70,953.36, 97,834.68 and 53,018.16

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Solution

The fourth proportional to 70,953.36, 97,834.68 and 53,018.16 is: 73,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.36 : 97,834.68 = 53,018.16 : x
  2. Step 2: Convert to fraction form
    70,953.36/97,834.68 = 53,018.16/x
  3. Step 3: Cross multiply
    70,953.36x = 97,834.68 × 53,018.16
  4. Step 4: Simplify right side
    70,953.36x = 5,187,014,717.79
  5. Step 5: Solve for x
    x = 5,187,014,717.79/70,953.36
  6. Step 6: Final answer
    x = 73,104.57

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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.