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Finding the Fourth Proportional to 107,301, 148,075.38 and 69,575.52

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Solution

The fourth proportional to 107,301, 148,075.38 and 69,575.52 is: 96,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,301 : 148,075.38 = 69,575.52 : x
  2. Step 2: Convert to fraction form
    107,301/148,075.38 = 69,575.52/x
  3. Step 3: Cross multiply
    107,301x = 148,075.38 × 69,575.52
  4. Step 4: Simplify right side
    107,301x = 10,302,421,562.70
  5. Step 5: Solve for x
    x = 10,302,421,562.70/107,301
  6. Step 6: Final answer
    x = 96,014.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.