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Finding the Fourth Proportional to 93,466.60, 128,985.86 and 51,026.92

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Solution

The fourth proportional to 93,466.60, 128,985.86 and 51,026.92 is: 70,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,466.60 : 128,985.86 = 51,026.92 : x
  2. Step 2: Convert to fraction form
    93,466.60/128,985.86 = 51,026.92/x
  3. Step 3: Cross multiply
    93,466.60x = 128,985.86 × 51,026.92
  4. Step 4: Simplify right side
    93,466.60x = 6,581,751,159.35
  5. Step 5: Solve for x
    x = 6,581,751,159.35/93,466.60
  6. Step 6: Final answer
    x = 70,418.22

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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.