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Finding the Fourth Proportional to 176,249,600.80, 264,374,401.20 and 139,969,895.20

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Solution

The fourth proportional to 176,249,600.80, 264,374,401.20 and 139,969,895.20 is: 209,954,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,249,600.80 : 264,374,401.20 = 139,969,895.20 : x
  2. Step 2: Convert to fraction form
    176,249,600.80/264,374,401.20 = 139,969,895.20/x
  3. Step 3: Cross multiply
    176,249,600.80x = 264,374,401.20 × 139,969,895.20
  4. Step 4: Simplify right side
    176,249,600.80x = 37,004,457,229,526,752
  5. Step 5: Solve for x
    x = 37,004,457,229,526,752/176,249,600.80
  6. Step 6: Final answer
    x = 209,954,842.80

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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.