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Finding the Fourth Proportional to 105,533.40, 158,048.81 and 61,066.44

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Solution

The fourth proportional to 105,533.40, 158,048.81 and 61,066.44 is: 91,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,533.40 : 158,048.81 = 61,066.44 : x
  2. Step 2: Convert to fraction form
    105,533.40/158,048.81 = 61,066.44/x
  3. Step 3: Cross multiply
    105,533.40x = 158,048.81 × 61,066.44
  4. Step 4: Simplify right side
    105,533.40x = 9,651,478,172.94
  5. Step 5: Solve for x
    x = 9,651,478,172.94/105,533.40
  6. Step 6: Final answer
    x = 91,454.25

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1.5x scale

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.