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Finding the Fourth Proportional to 217,377.77, 325,785.98 and 97,347.02

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Solution

The fourth proportional to 217,377.77, 325,785.98 and 97,347.02 is: 145,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,377.77 : 325,785.98 = 97,347.02 : x
  2. Step 2: Convert to fraction form
    217,377.77/325,785.98 = 97,347.02/x
  3. Step 3: Cross multiply
    217,377.77x = 325,785.98 × 97,347.02
  4. Step 4: Simplify right side
    217,377.77x = 31,714,292,925.22
  5. Step 5: Solve for x
    x = 31,714,292,925.22/217,377.77
  6. Step 6: Final answer
    x = 145,894.83

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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.