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Finding the Fourth Proportional to 286,322.88, 429,374.79 and 94,152.54

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Solution

The fourth proportional to 286,322.88, 429,374.79 and 94,152.54 is: 141,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,322.88 : 429,374.79 = 94,152.54 : x
  2. Step 2: Convert to fraction form
    286,322.88/429,374.79 = 94,152.54/x
  3. Step 3: Cross multiply
    286,322.88x = 429,374.79 × 94,152.54
  4. Step 4: Simplify right side
    286,322.88x = 40,426,727,090.47
  5. Step 5: Solve for x
    x = 40,426,727,090.47/286,322.88
  6. Step 6: Final answer
    x = 141,192.79

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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.