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Finding the Fourth Proportional to 194,497.12, 291,275.40 and 160,970.40

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Solution

The fourth proportional to 194,497.12, 291,275.40 and 160,970.40 is: 241,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,497.12 : 291,275.40 = 160,970.40 : x
  2. Step 2: Convert to fraction form
    194,497.12/291,275.40 = 160,970.40/x
  3. Step 3: Cross multiply
    194,497.12x = 291,275.40 × 160,970.40
  4. Step 4: Simplify right side
    194,497.12x = 46,886,717,648.16
  5. Step 5: Solve for x
    x = 46,886,717,648.16/194,497.12
  6. Step 6: Final answer
    x = 241,066.39

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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.