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Finding the Fourth Proportional to 144,066,415.48, 215,978,521.74 and 116,704,858.60

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Solution

The fourth proportional to 144,066,415.48, 215,978,521.74 and 116,704,858.60 is: 174,959,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,066,415.48 : 215,978,521.74 = 116,704,858.60 : x
  2. Step 2: Convert to fraction form
    144,066,415.48/215,978,521.74 = 116,704,858.60/x
  3. Step 3: Cross multiply
    144,066,415.48x = 215,978,521.74 × 116,704,858.60
  4. Step 4: Simplify right side
    144,066,415.48x = 25,205,742,840,303,724
  5. Step 5: Solve for x
    x = 25,205,742,840,303,724/144,066,415.48
  6. Step 6: Final answer
    x = 174,959,186.40

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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.