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Finding the Fourth Proportional to 151,507.40, 226,823.70 and 92,458.40

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Solution

The fourth proportional to 151,507.40, 226,823.70 and 92,458.40 is: 138,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,507.40 : 226,823.70 = 92,458.40 : x
  2. Step 2: Convert to fraction form
    151,507.40/226,823.70 = 92,458.40/x
  3. Step 3: Cross multiply
    151,507.40x = 226,823.70 × 92,458.40
  4. Step 4: Simplify right side
    151,507.40x = 20,971,756,384.08
  5. Step 5: Solve for x
    x = 20,971,756,384.08/151,507.40
  6. Step 6: Final answer
    x = 138,420.67

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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.