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Finding the Fourth Proportional to 464,088.88, 696,133.93 and 127,132.53

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Solution

The fourth proportional to 464,088.88, 696,133.93 and 127,132.53 is: 190,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,088.88 : 696,133.93 = 127,132.53 : x
  2. Step 2: Convert to fraction form
    464,088.88/696,133.93 = 127,132.53/x
  3. Step 3: Cross multiply
    464,088.88x = 696,133.93 × 127,132.53
  4. Step 4: Simplify right side
    464,088.88x = 88,501,267,739.74
  5. Step 5: Solve for x
    x = 88,501,267,739.74/464,088.88
  6. Step 6: Final answer
    x = 190,698.96

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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.