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Finding the Fourth Proportional to 70,973.35, 97,950.12 and 53,037.20

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Solution

The fourth proportional to 70,973.35, 97,950.12 and 53,037.20 is: 73,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,973.35 : 97,950.12 = 53,037.20 : x
  2. Step 2: Convert to fraction form
    70,973.35/97,950.12 = 53,037.20/x
  3. Step 3: Cross multiply
    70,973.35x = 97,950.12 × 53,037.20
  4. Step 4: Simplify right side
    70,973.35x = 5,195,000,104.46
  5. Step 5: Solve for x
    x = 5,195,000,104.46/70,973.35
  6. Step 6: Final answer
    x = 73,196.49

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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.