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Finding the Fourth Proportional to 350,025.75, 525,038.63 and 100,707.75

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Solution

The fourth proportional to 350,025.75, 525,038.63 and 100,707.75 is: 151,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,025.75 : 525,038.63 = 100,707.75 : x
  2. Step 2: Convert to fraction form
    350,025.75/525,038.63 = 100,707.75/x
  3. Step 3: Cross multiply
    350,025.75x = 525,038.63 × 100,707.75
  4. Step 4: Simplify right side
    350,025.75x = 52,875,459,090.38
  5. Step 5: Solve for x
    x = 52,875,459,090.38/350,025.75
  6. Step 6: Final answer
    x = 151,061.63

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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.