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Finding the Fourth Proportional to 93,305.84, 128,762.06 and 50,864.40

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Solution

The fourth proportional to 93,305.84, 128,762.06 and 50,864.40 is: 70,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,305.84 : 128,762.06 = 50,864.40 : x
  2. Step 2: Convert to fraction form
    93,305.84/128,762.06 = 50,864.40/x
  3. Step 3: Cross multiply
    93,305.84x = 128,762.06 × 50,864.40
  4. Step 4: Simplify right side
    93,305.84x = 6,549,404,670.34
  5. Step 5: Solve for x
    x = 6,549,404,670.34/93,305.84
  6. Step 6: Final answer
    x = 70,192.87

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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.