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Finding the Fourth Proportional to 9,397,133.80, 13,127,643.80 and 9,397,133.80

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Solution

The fourth proportional to 9,397,133.80, 13,127,643.80 and 9,397,133.80 is: 13,127,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397,133.80 : 13,127,643.80 = 9,397,133.80 : x
  2. Step 2: Convert to fraction form
    9,397,133.80/13,127,643.80 = 9,397,133.80/x
  3. Step 3: Cross multiply
    9,397,133.80x = 13,127,643.80 × 9,397,133.80
  4. Step 4: Simplify right side
    9,397,133.80x = 123,362,225,267,340.45
  5. Step 5: Solve for x
    x = 123,362,225,267,340.45/9,397,133.80
  6. Step 6: Final answer
    x = 13,127,643.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.