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Finding the Fourth Proportional to 130,382,258.80, 195,597,007.80 and 65,522,837.20

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Solution

The fourth proportional to 130,382,258.80, 195,597,007.80 and 65,522,837.20 is: 98,296,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,382,258.80 : 195,597,007.80 = 65,522,837.20 : x
  2. Step 2: Convert to fraction form
    130,382,258.80/195,597,007.80 = 65,522,837.20/x
  3. Step 3: Cross multiply
    130,382,258.80x = 195,597,007.80 × 65,522,837.20
  4. Step 4: Simplify right side
    130,382,258.80x = 12,816,070,898,886,532
  5. Step 5: Solve for x
    x = 12,816,070,898,886,532/130,382,258.80
  6. Step 6: Final answer
    x = 98,296,125.69

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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.