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Finding the Fourth Proportional to 155,308, 232,962 and 38,572

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Solution

The fourth proportional to 155,308, 232,962 and 38,572 is: 57,858

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,308 : 232,962 = 38,572 : x
  2. Step 2: Convert to fraction form
    155,308/232,962 = 38,572/x
  3. Step 3: Cross multiply
    155,308x = 232,962 × 38,572
  4. Step 4: Simplify right side
    155,308x = 8,985,810,264
  5. Step 5: Solve for x
    x = 8,985,810,264/155,308
  6. Step 6: Final answer
    x = 57,858

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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.