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Finding the Fourth Proportional to 292,775.84, 438,824.64 and 134,672.48

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Solution

The fourth proportional to 292,775.84, 438,824.64 and 134,672.48 is: 201,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,775.84 : 438,824.64 = 134,672.48 : x
  2. Step 2: Convert to fraction form
    292,775.84/438,824.64 = 134,672.48/x
  3. Step 3: Cross multiply
    292,775.84x = 438,824.64 × 134,672.48
  4. Step 4: Simplify right side
    292,775.84x = 59,097,602,553.91
  5. Step 5: Solve for x
    x = 59,097,602,553.91/292,775.84
  6. Step 6: Final answer
    x = 201,852.73

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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.