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Finding the Fourth Proportional to 110,569.77, 152,465.70 and 74,697.50

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Solution

The fourth proportional to 110,569.77, 152,465.70 and 74,697.50 is: 103,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,569.77 : 152,465.70 = 74,697.50 : x
  2. Step 2: Convert to fraction form
    110,569.77/152,465.70 = 74,697.50/x
  3. Step 3: Cross multiply
    110,569.77x = 152,465.70 × 74,697.50
  4. Step 4: Simplify right side
    110,569.77x = 11,388,805,863.42
  5. Step 5: Solve for x
    x = 11,388,805,863.42/110,569.77
  6. Step 6: Final answer
    x = 103,001.08

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1.5x scale

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.