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Finding the Fourth Proportional to 308,698,642.92, 462,695,736.84 and 124,348,156.98

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Solution

The fourth proportional to 308,698,642.92, 462,695,736.84 and 124,348,156.98 is: 186,380,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,698,642.92 : 462,695,736.84 = 124,348,156.98 : x
  2. Step 2: Convert to fraction form
    308,698,642.92/462,695,736.84 = 124,348,156.98/x
  3. Step 3: Cross multiply
    308,698,642.92x = 462,695,736.84 × 124,348,156.98
  4. Step 4: Simplify right side
    308,698,642.92x = 57,535,362,118,557,088
  5. Step 5: Solve for x
    x = 57,535,362,118,557,088/308,698,642.92
  6. Step 6: Final answer
    x = 186,380,353.26

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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.