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Finding the Fourth Proportional to 199,590,701.80, 299,429,598.30 and 113,370,413.80

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Solution

The fourth proportional to 199,590,701.80, 299,429,598.30 and 113,370,413.80 is: 170,080,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,701.80 : 299,429,598.30 = 113,370,413.80 : x
  2. Step 2: Convert to fraction form
    199,590,701.80/299,429,598.30 = 113,370,413.80/x
  3. Step 3: Cross multiply
    199,590,701.80x = 299,429,598.30 × 113,370,413.80
  4. Step 4: Simplify right side
    199,590,701.80x = 33,946,457,463,238,776
  5. Step 5: Solve for x
    x = 33,946,457,463,238,776/199,590,701.80
  6. Step 6: Final answer
    x = 170,080,355.23

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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.