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Finding the Fourth Proportional to 93,307.08, 128,725.01 and 55,051.44

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Solution

The fourth proportional to 93,307.08, 128,725.01 and 55,051.44 is: 75,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,307.08 : 128,725.01 = 55,051.44 : x
  2. Step 2: Convert to fraction form
    93,307.08/128,725.01 = 55,051.44/x
  3. Step 3: Cross multiply
    93,307.08x = 128,725.01 × 55,051.44
  4. Step 4: Simplify right side
    93,307.08x = 7,086,497,164.51
  5. Step 5: Solve for x
    x = 7,086,497,164.51/93,307.08
  6. Step 6: Final answer
    x = 75,948.12

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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.