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Finding the Fourth Proportional to 93,354.86, 128,793.03 and 57,482.66

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Solution

The fourth proportional to 93,354.86, 128,793.03 and 57,482.66 is: 79,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,354.86 : 128,793.03 = 57,482.66 : x
  2. Step 2: Convert to fraction form
    93,354.86/128,793.03 = 57,482.66/x
  3. Step 3: Cross multiply
    93,354.86x = 128,793.03 × 57,482.66
  4. Step 4: Simplify right side
    93,354.86x = 7,403,365,953.86
  5. Step 5: Solve for x
    x = 7,403,365,953.86/93,354.86
  6. Step 6: Final answer
    x = 79,303.49

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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.