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Finding the Fourth Proportional to 93,386.71, 128,873.50 and 50,945.25

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Solution

The fourth proportional to 93,386.71, 128,873.50 and 50,945.25 is: 70,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,386.71 : 128,873.50 = 50,945.25 : x
  2. Step 2: Convert to fraction form
    93,386.71/128,873.50 = 50,945.25/x
  3. Step 3: Cross multiply
    93,386.71x = 128,873.50 × 50,945.25
  4. Step 4: Simplify right side
    93,386.71x = 6,565,492,675.88
  5. Step 5: Solve for x
    x = 6,565,492,675.88/93,386.71
  6. Step 6: Final answer
    x = 70,304.36

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Double scale
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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.