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Finding the Fourth Proportional to 237,798,829.80, 356,698,244.70 and 76,257,095.40

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Solution

The fourth proportional to 237,798,829.80, 356,698,244.70 and 76,257,095.40 is: 114,385,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,798,829.80 : 356,698,244.70 = 76,257,095.40 : x
  2. Step 2: Convert to fraction form
    237,798,829.80/356,698,244.70 = 76,257,095.40/x
  3. Step 3: Cross multiply
    237,798,829.80x = 356,698,244.70 × 76,257,095.40
  4. Step 4: Simplify right side
    237,798,829.80x = 27,200,772,075,100,444
  5. Step 5: Solve for x
    x = 27,200,772,075,100,444/237,798,829.80
  6. Step 6: Final answer
    x = 114,385,643.10

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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.