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Finding the Fourth Proportional to 153,158.32, 229,741.80 and 42,350.32

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Solution

The fourth proportional to 153,158.32, 229,741.80 and 42,350.32 is: 63,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,158.32 : 229,741.80 = 42,350.32 : x
  2. Step 2: Convert to fraction form
    153,158.32/229,741.80 = 42,350.32/x
  3. Step 3: Cross multiply
    153,158.32x = 229,741.80 × 42,350.32
  4. Step 4: Simplify right side
    153,158.32x = 9,729,638,747.38
  5. Step 5: Solve for x
    x = 9,729,638,747.38/153,158.32
  6. Step 6: Final answer
    x = 63,526.67

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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.