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Finding the Fourth Proportional to 151,277.60, 226,916.40 and 141,946.40

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Solution

The fourth proportional to 151,277.60, 226,916.40 and 141,946.40 is: 212,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277.60 : 226,916.40 = 141,946.40 : x
  2. Step 2: Convert to fraction form
    151,277.60/226,916.40 = 141,946.40/x
  3. Step 3: Cross multiply
    151,277.60x = 226,916.40 × 141,946.40
  4. Step 4: Simplify right side
    151,277.60x = 32,209,966,080.96
  5. Step 5: Solve for x
    x = 32,209,966,080.96/151,277.60
  6. Step 6: Final answer
    x = 212,919.60

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1.5x scale

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.