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Finding the Fourth Proportional to 242,153, 334,171.30 and 141,551.72

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Solution

The fourth proportional to 242,153, 334,171.30 and 141,551.72 is: 195,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,153 : 334,171.30 = 141,551.72 : x
  2. Step 2: Convert to fraction form
    242,153/334,171.30 = 141,551.72/x
  3. Step 3: Cross multiply
    242,153x = 334,171.30 × 141,551.72
  4. Step 4: Simplify right side
    242,153x = 47,302,522,289.64
  5. Step 5: Solve for x
    x = 47,302,522,289.64/242,153
  6. Step 6: Final answer
    x = 195,341.47

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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.