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Finding the Fourth Proportional to 93,248.39, 128,680.98 and 50,806.01

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Solution

The fourth proportional to 93,248.39, 128,680.98 and 50,806.01 is: 70,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,248.39 : 128,680.98 = 50,806.01 : x
  2. Step 2: Convert to fraction form
    93,248.39/128,680.98 = 50,806.01/x
  3. Step 3: Cross multiply
    93,248.39x = 128,680.98 × 50,806.01
  4. Step 4: Simplify right side
    93,248.39x = 6,537,767,156.69
  5. Step 5: Solve for x
    x = 6,537,767,156.69/93,248.39
  6. Step 6: Final answer
    x = 70,111.31

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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.