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Finding the Fourth Proportional to 319,501.44, 479,322.72 and 94,880.16

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Solution

The fourth proportional to 319,501.44, 479,322.72 and 94,880.16 is: 142,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,501.44 : 479,322.72 = 94,880.16 : x
  2. Step 2: Convert to fraction form
    319,501.44/479,322.72 = 94,880.16/x
  3. Step 3: Cross multiply
    319,501.44x = 479,322.72 × 94,880.16
  4. Step 4: Simplify right side
    319,501.44x = 45,478,216,365.24
  5. Step 5: Solve for x
    x = 45,478,216,365.24/319,501.44
  6. Step 6: Final answer
    x = 142,341.19

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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.