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Finding the Fourth Proportional to 93,392.36, 128,881.16 and 50,950.58

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Solution

The fourth proportional to 93,392.36, 128,881.16 and 50,950.58 is: 70,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,392.36 : 128,881.16 = 50,950.58 : x
  2. Step 2: Convert to fraction form
    93,392.36/128,881.16 = 50,950.58/x
  3. Step 3: Cross multiply
    93,392.36x = 128,881.16 × 50,950.58
  4. Step 4: Simplify right side
    93,392.36x = 6,566,569,853.07
  5. Step 5: Solve for x
    x = 6,566,569,853.07/93,392.36
  6. Step 6: Final answer
    x = 70,311.64

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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.