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Finding the Fourth Proportional to 93,637.94, 129,220.80 and 51,196.47

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Solution

The fourth proportional to 93,637.94, 129,220.80 and 51,196.47 is: 70,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,637.94 : 129,220.80 = 51,196.47 : x
  2. Step 2: Convert to fraction form
    93,637.94/129,220.80 = 51,196.47/x
  3. Step 3: Cross multiply
    93,637.94x = 129,220.80 × 51,196.47
  4. Step 4: Simplify right side
    93,637.94x = 6,615,648,810.58
  5. Step 5: Solve for x
    x = 6,615,648,810.58/93,637.94
  6. Step 6: Final answer
    x = 70,651.37

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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.