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Finding the Fourth Proportional to 110,357.49, 152,282.79 and 61,948.32

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Solution

The fourth proportional to 110,357.49, 152,282.79 and 61,948.32 is: 85,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,357.49 : 152,282.79 = 61,948.32 : x
  2. Step 2: Convert to fraction form
    110,357.49/152,282.79 = 61,948.32/x
  3. Step 3: Cross multiply
    110,357.49x = 152,282.79 × 61,948.32
  4. Step 4: Simplify right side
    110,357.49x = 9,433,663,005.41
  5. Step 5: Solve for x
    x = 9,433,663,005.41/110,357.49
  6. Step 6: Final answer
    x = 85,482.76

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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.