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Finding the Fourth Proportional to 155,376.66, 233,070 and 43,057.98

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Solution

The fourth proportional to 155,376.66, 233,070 and 43,057.98 is: 64,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,376.66 : 233,070 = 43,057.98 : x
  2. Step 2: Convert to fraction form
    155,376.66/233,070 = 43,057.98/x
  3. Step 3: Cross multiply
    155,376.66x = 233,070 × 43,057.98
  4. Step 4: Simplify right side
    155,376.66x = 10,035,523,398.60
  5. Step 5: Solve for x
    x = 10,035,523,398.60/155,376.66
  6. Step 6: Final answer
    x = 64,588.36

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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.