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Finding the Fourth Proportional to 70,698.50, 97,491.60 and 46,816.46

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Solution

The fourth proportional to 70,698.50, 97,491.60 and 46,816.46 is: 64,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,698.50 : 97,491.60 = 46,816.46 : x
  2. Step 2: Convert to fraction form
    70,698.50/97,491.60 = 46,816.46/x
  3. Step 3: Cross multiply
    70,698.50x = 97,491.60 × 46,816.46
  4. Step 4: Simplify right side
    70,698.50x = 4,564,211,591.74
  5. Step 5: Solve for x
    x = 4,564,211,591.74/70,698.50
  6. Step 6: Final answer
    x = 64,558.82

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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.