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Finding the Fourth Proportional to 176,971.60, 265,068.60 and 153,643.60

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Solution

The fourth proportional to 176,971.60, 265,068.60 and 153,643.60 is: 230,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,971.60 : 265,068.60 = 153,643.60 : x
  2. Step 2: Convert to fraction form
    176,971.60/265,068.60 = 153,643.60/x
  3. Step 3: Cross multiply
    176,971.60x = 265,068.60 × 153,643.60
  4. Step 4: Simplify right side
    176,971.60x = 40,726,093,950.96
  5. Step 5: Solve for x
    x = 40,726,093,950.96/176,971.60
  6. Step 6: Final answer
    x = 230,127.85

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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.