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Finding the Fourth Proportional to 114,501.53, 158,014.64 and 63,512.60

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Solution

The fourth proportional to 114,501.53, 158,014.64 and 63,512.60 is: 87,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,501.53 : 158,014.64 = 63,512.60 : x
  2. Step 2: Convert to fraction form
    114,501.53/158,014.64 = 63,512.60/x
  3. Step 3: Cross multiply
    114,501.53x = 158,014.64 × 63,512.60
  4. Step 4: Simplify right side
    114,501.53x = 10,035,920,624.46
  5. Step 5: Solve for x
    x = 10,035,920,624.46/114,501.53
  6. Step 6: Final answer
    x = 87,648.79

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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.