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Finding the Fourth Proportional to 49,996,225.13, 74,978,772.72 and 17,640,547.01

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Solution

The fourth proportional to 49,996,225.13, 74,978,772.72 and 17,640,547.01 is: 26,455,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,996,225.13 : 74,978,772.72 = 17,640,547.01 : x
  2. Step 2: Convert to fraction form
    49,996,225.13/74,978,772.72 = 17,640,547.01/x
  3. Step 3: Cross multiply
    49,996,225.13x = 74,978,772.72 × 17,640,547.01
  4. Step 4: Simplify right side
    49,996,225.13x = 1,322,666,564,919,265.75
  5. Step 5: Solve for x
    x = 1,322,666,564,919,265.75/49,996,225.13
  6. Step 6: Final answer
    x = 26,455,328.61

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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.