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Finding the Fourth Proportional to 191,168.29, 286,573.29 and 64,720.27

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Solution

The fourth proportional to 191,168.29, 286,573.29 and 64,720.27 is: 97,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,168.29 : 286,573.29 = 64,720.27 : x
  2. Step 2: Convert to fraction form
    191,168.29/286,573.29 = 64,720.27/x
  3. Step 3: Cross multiply
    191,168.29x = 286,573.29 × 64,720.27
  4. Step 4: Simplify right side
    191,168.29x = 18,547,100,703.59
  5. Step 5: Solve for x
    x = 18,547,100,703.59/191,168.29
  6. Step 6: Final answer
    x = 97,019.76

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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.