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Finding the Fourth Proportional to 416,670.72, 625,043 and 117,153.91

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Solution

The fourth proportional to 416,670.72, 625,043 and 117,153.91 is: 175,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,670.72 : 625,043 = 117,153.91 : x
  2. Step 2: Convert to fraction form
    416,670.72/625,043 = 117,153.91/x
  3. Step 3: Cross multiply
    416,670.72x = 625,043 × 117,153.91
  4. Step 4: Simplify right side
    416,670.72x = 73,226,231,368.13
  5. Step 5: Solve for x
    x = 73,226,231,368.13/416,670.72
  6. Step 6: Final answer
    x = 175,741.25

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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.