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Finding the Fourth Proportional to 191,283.60, 286,925.40 and 161,759.10

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Solution

The fourth proportional to 191,283.60, 286,925.40 and 161,759.10 is: 242,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,283.60 : 286,925.40 = 161,759.10 : x
  2. Step 2: Convert to fraction form
    191,283.60/286,925.40 = 161,759.10/x
  3. Step 3: Cross multiply
    191,283.60x = 286,925.40 × 161,759.10
  4. Step 4: Simplify right side
    191,283.60x = 46,412,794,471.14
  5. Step 5: Solve for x
    x = 46,412,794,471.14/191,283.60
  6. Step 6: Final answer
    x = 242,638.65

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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.