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Finding the Fourth Proportional to 348,495.88, 522,681.36 and 92,330.16

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Solution

The fourth proportional to 348,495.88, 522,681.36 and 92,330.16 is: 138,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,495.88 : 522,681.36 = 92,330.16 : x
  2. Step 2: Convert to fraction form
    348,495.88/522,681.36 = 92,330.16/x
  3. Step 3: Cross multiply
    348,495.88x = 522,681.36 × 92,330.16
  4. Step 4: Simplify right side
    348,495.88x = 48,259,253,597.82
  5. Step 5: Solve for x
    x = 48,259,253,597.82/348,495.88
  6. Step 6: Final answer
    x = 138,478.69

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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.