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Finding the Fourth Proportional to 197,368, 272,374.32 and 107,944

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Solution

The fourth proportional to 197,368, 272,374.32 and 107,944 is: 148,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,368 : 272,374.32 = 107,944 : x
  2. Step 2: Convert to fraction form
    197,368/272,374.32 = 107,944/x
  3. Step 3: Cross multiply
    197,368x = 272,374.32 × 107,944
  4. Step 4: Simplify right side
    197,368x = 29,401,173,598.08
  5. Step 5: Solve for x
    x = 29,401,173,598.08/197,368
  6. Step 6: Final answer
    x = 148,966.26

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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.