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Finding the Fourth Proportional to 93,294.74, 128,747.32 and 50,853.16

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Solution

The fourth proportional to 93,294.74, 128,747.32 and 50,853.16 is: 70,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.74 : 128,747.32 = 50,853.16 : x
  2. Step 2: Convert to fraction form
    93,294.74/128,747.32 = 50,853.16/x
  3. Step 3: Cross multiply
    93,294.74x = 128,747.32 × 50,853.16
  4. Step 4: Simplify right side
    93,294.74x = 6,547,208,063.53
  5. Step 5: Solve for x
    x = 6,547,208,063.53/93,294.74
  6. Step 6: Final answer
    x = 70,177.68

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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.