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Finding the Fourth Proportional to 158,420.52, 237,483.12 and 79,442.46

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Solution

The fourth proportional to 158,420.52, 237,483.12 and 79,442.46 is: 119,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,420.52 : 237,483.12 = 79,442.46 : x
  2. Step 2: Convert to fraction form
    158,420.52/237,483.12 = 79,442.46/x
  3. Step 3: Cross multiply
    158,420.52x = 237,483.12 × 79,442.46
  4. Step 4: Simplify right side
    158,420.52x = 18,866,243,261.28
  5. Step 5: Solve for x
    x = 18,866,243,261.28/158,420.52
  6. Step 6: Final answer
    x = 119,089.64

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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.