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Finding the Fourth Proportional to 93,155.58, 128,555.24 and 50,714.01

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Solution

The fourth proportional to 93,155.58, 128,555.24 and 50,714.01 is: 69,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.58 : 128,555.24 = 50,714.01 : x
  2. Step 2: Convert to fraction form
    93,155.58/128,555.24 = 50,714.01/x
  3. Step 3: Cross multiply
    93,155.58x = 128,555.24 × 50,714.01
  4. Step 4: Simplify right side
    93,155.58x = 6,519,551,473.34
  5. Step 5: Solve for x
    x = 6,519,551,473.34/93,155.58
  6. Step 6: Final answer
    x = 69,985.62

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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.