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Finding the Fourth Proportional to 191,281.40, 264,019.02 and 134,718.20

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Solution

The fourth proportional to 191,281.40, 264,019.02 and 134,718.20 is: 185,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,281.40 : 264,019.02 = 134,718.20 : x
  2. Step 2: Convert to fraction form
    191,281.40/264,019.02 = 134,718.20/x
  3. Step 3: Cross multiply
    191,281.40x = 264,019.02 × 134,718.20
  4. Step 4: Simplify right side
    191,281.40x = 35,568,167,140.16
  5. Step 5: Solve for x
    x = 35,568,167,140.16/191,281.40
  6. Step 6: Final answer
    x = 185,946.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.