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Finding the Fourth Proportional to 248,368.98, 342,697.32 and 162,453.90

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Solution

The fourth proportional to 248,368.98, 342,697.32 and 162,453.90 is: 224,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,368.98 : 342,697.32 = 162,453.90 : x
  2. Step 2: Convert to fraction form
    248,368.98/342,697.32 = 162,453.90/x
  3. Step 3: Cross multiply
    248,368.98x = 342,697.32 × 162,453.90
  4. Step 4: Simplify right side
    248,368.98x = 55,672,516,153.55
  5. Step 5: Solve for x
    x = 55,672,516,153.55/248,368.98
  6. Step 6: Final answer
    x = 224,152.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.