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Finding the Fourth Proportional to 355,065.48, 532,603.08 and 102,350.34

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Solution

The fourth proportional to 355,065.48, 532,603.08 and 102,350.34 is: 153,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,065.48 : 532,603.08 = 102,350.34 : x
  2. Step 2: Convert to fraction form
    355,065.48/532,603.08 = 102,350.34/x
  3. Step 3: Cross multiply
    355,065.48x = 532,603.08 × 102,350.34
  4. Step 4: Simplify right side
    355,065.48x = 54,512,106,323.05
  5. Step 5: Solve for x
    x = 54,512,106,323.05/355,065.48
  6. Step 6: Final answer
    x = 153,526.91

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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.