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Finding the Fourth Proportional to 93,061.25, 128,424.59 and 52,762.13

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Solution

The fourth proportional to 93,061.25, 128,424.59 and 52,762.13 is: 72,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,061.25 : 128,424.59 = 52,762.13 : x
  2. Step 2: Convert to fraction form
    93,061.25/128,424.59 = 52,762.13/x
  3. Step 3: Cross multiply
    93,061.25x = 128,424.59 × 52,762.13
  4. Step 4: Simplify right side
    93,061.25x = 6,775,954,648.97
  5. Step 5: Solve for x
    x = 6,775,954,648.97/93,061.25
  6. Step 6: Final answer
    x = 72,811.77

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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.