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Finding the Fourth Proportional to 194,454.62, 268,347.56 and 105,030.62

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Solution

The fourth proportional to 194,454.62, 268,347.56 and 105,030.62 is: 144,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,454.62 : 268,347.56 = 105,030.62 : x
  2. Step 2: Convert to fraction form
    194,454.62/268,347.56 = 105,030.62/x
  3. Step 3: Cross multiply
    194,454.62x = 268,347.56 × 105,030.62
  4. Step 4: Simplify right side
    194,454.62x = 28,184,710,602.29
  5. Step 5: Solve for x
    x = 28,184,710,602.29/194,454.62
  6. Step 6: Final answer
    x = 144,942.36

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1.5x scale

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.