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Finding the Fourth Proportional to 73,970.74, 110,860.80 and 64,444.47

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Solution

The fourth proportional to 73,970.74, 110,860.80 and 64,444.47 is: 96,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,970.74 : 110,860.80 = 64,444.47 : x
  2. Step 2: Convert to fraction form
    73,970.74/110,860.80 = 64,444.47/x
  3. Step 3: Cross multiply
    73,970.74x = 110,860.80 × 64,444.47
  4. Step 4: Simplify right side
    73,970.74x = 7,144,365,499.78
  5. Step 5: Solve for x
    x = 7,144,365,499.78/73,970.74
  6. Step 6: Final answer
    x = 96,583.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.