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Finding the Fourth Proportional to 93,374.96, 128,855.36 and 50,935.01

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Solution

The fourth proportional to 93,374.96, 128,855.36 and 50,935.01 is: 70,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,374.96 : 128,855.36 = 50,935.01 : x
  2. Step 2: Convert to fraction form
    93,374.96/128,855.36 = 50,935.01/x
  3. Step 3: Cross multiply
    93,374.96x = 128,855.36 × 50,935.01
  4. Step 4: Simplify right side
    93,374.96x = 6,563,248,795.48
  5. Step 5: Solve for x
    x = 6,563,248,795.48/93,374.96
  6. Step 6: Final answer
    x = 70,289.17

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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.