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Finding the Fourth Proportional to 70,266.60, 97,018.62 and 43,445.88

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Solution

The fourth proportional to 70,266.60, 97,018.62 and 43,445.88 is: 59,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266.60 : 97,018.62 = 43,445.88 : x
  2. Step 2: Convert to fraction form
    70,266.60/97,018.62 = 43,445.88/x
  3. Step 3: Cross multiply
    70,266.60x = 97,018.62 × 43,445.88
  4. Step 4: Simplify right side
    70,266.60x = 4,215,059,322.29
  5. Step 5: Solve for x
    x = 4,215,059,322.29/70,266.60
  6. Step 6: Final answer
    x = 59,986.67

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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.