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Finding the Fourth Proportional to 144,872,803.60, 203,090,663.60 and 144,872,803.60

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Solution

The fourth proportional to 144,872,803.60, 203,090,663.60 and 144,872,803.60 is: 203,090,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,872,803.60 : 203,090,663.60 = 144,872,803.60 : x
  2. Step 2: Convert to fraction form
    144,872,803.60/203,090,663.60 = 144,872,803.60/x
  3. Step 3: Cross multiply
    144,872,803.60x = 203,090,663.60 × 144,872,803.60
  4. Step 4: Simplify right side
    144,872,803.60x = 29,422,313,820,716,468
  5. Step 5: Solve for x
    x = 29,422,313,820,716,468/144,872,803.60
  6. Step 6: Final answer
    x = 203,090,663.60

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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.