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Finding the Fourth Proportional to 93,333.15, 128,810.84 and 58,927.86

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Solution

The fourth proportional to 93,333.15, 128,810.84 and 58,927.86 is: 81,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,333.15 : 128,810.84 = 58,927.86 : x
  2. Step 2: Convert to fraction form
    93,333.15/128,810.84 = 58,927.86/x
  3. Step 3: Cross multiply
    93,333.15x = 128,810.84 × 58,927.86
  4. Step 4: Simplify right side
    93,333.15x = 7,590,546,851.36
  5. Step 5: Solve for x
    x = 7,590,546,851.36/93,333.15
  6. Step 6: Final answer
    x = 81,327.45

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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.