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Finding the Fourth Proportional to 191,009.16, 286,414.74 and 101,100.60

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Solution

The fourth proportional to 191,009.16, 286,414.74 and 101,100.60 is: 151,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,009.16 : 286,414.74 = 101,100.60 : x
  2. Step 2: Convert to fraction form
    191,009.16/286,414.74 = 101,100.60/x
  3. Step 3: Cross multiply
    191,009.16x = 286,414.74 × 101,100.60
  4. Step 4: Simplify right side
    191,009.16x = 28,956,702,062.84
  5. Step 5: Solve for x
    x = 28,956,702,062.84/191,009.16
  6. Step 6: Final answer
    x = 151,598.50

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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.