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Finding the Fourth Proportional to 501,095.25, 751,686.62 and 127,118.25

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Solution

The fourth proportional to 501,095.25, 751,686.62 and 127,118.25 is: 190,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,095.25 : 751,686.62 = 127,118.25 : x
  2. Step 2: Convert to fraction form
    501,095.25/751,686.62 = 127,118.25/x
  3. Step 3: Cross multiply
    501,095.25x = 751,686.62 × 127,118.25
  4. Step 4: Simplify right side
    501,095.25x = 95,553,087,047.22
  5. Step 5: Solve for x
    x = 95,553,087,047.22/501,095.25
  6. Step 6: Final answer
    x = 190,688.47

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1.5x scale

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.