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Finding the Fourth Proportional to 191,416.32, 287,169.92 and 60,088.32

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Solution

The fourth proportional to 191,416.32, 287,169.92 and 60,088.32 is: 90,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,416.32 : 287,169.92 = 60,088.32 : x
  2. Step 2: Convert to fraction form
    191,416.32/287,169.92 = 60,088.32/x
  3. Step 3: Cross multiply
    191,416.32x = 287,169.92 × 60,088.32
  4. Step 4: Simplify right side
    191,416.32x = 17,255,558,047.33
  5. Step 5: Solve for x
    x = 17,255,558,047.33/191,416.32
  6. Step 6: Final answer
    x = 90,146.74

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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.