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Finding the Fourth Proportional to 70,553.92, 97,357.32 and 42,258.88

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Solution

The fourth proportional to 70,553.92, 97,357.32 and 42,258.88 is: 58,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.92 : 97,357.32 = 42,258.88 : x
  2. Step 2: Convert to fraction form
    70,553.92/97,357.32 = 42,258.88/x
  3. Step 3: Cross multiply
    70,553.92x = 97,357.32 × 42,258.88
  4. Step 4: Simplify right side
    70,553.92x = 4,114,211,303.00
  5. Step 5: Solve for x
    x = 4,114,211,303.00/70,553.92
  6. Step 6: Final answer
    x = 58,313.01

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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.