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Finding the Fourth Proportional to 190,817,477.20, 286,226,215.80 and 190,817,477.20

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Solution

The fourth proportional to 190,817,477.20, 286,226,215.80 and 190,817,477.20 is: 286,226,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,817,477.20 : 286,226,215.80 = 190,817,477.20 : x
  2. Step 2: Convert to fraction form
    190,817,477.20/286,226,215.80 = 190,817,477.20/x
  3. Step 3: Cross multiply
    190,817,477.20x = 286,226,215.80 × 190,817,477.20
  4. Step 4: Simplify right side
    190,817,477.20x = 54,616,964,407,458,776
  5. Step 5: Solve for x
    x = 54,616,964,407,458,776/190,817,477.20
  6. Step 6: Final answer
    x = 286,226,215.80

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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.