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Finding the Fourth Proportional to 201,774,802.40, 302,662,203.60 and 132,900,048.80

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Solution

The fourth proportional to 201,774,802.40, 302,662,203.60 and 132,900,048.80 is: 199,350,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774,802.40 : 302,662,203.60 = 132,900,048.80 : x
  2. Step 2: Convert to fraction form
    201,774,802.40/302,662,203.60 = 132,900,048.80/x
  3. Step 3: Cross multiply
    201,774,802.40x = 302,662,203.60 × 132,900,048.80
  4. Step 4: Simplify right side
    201,774,802.40x = 40,223,821,628,355,536
  5. Step 5: Solve for x
    x = 40,223,821,628,355,536/201,774,802.40
  6. Step 6: Final answer
    x = 199,350,073.20

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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.