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Finding the Fourth Proportional to 93,151.55, 128,548.77 and 52,310.00

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Solution

The fourth proportional to 93,151.55, 128,548.77 and 52,310.00 is: 72,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,151.55 : 128,548.77 = 52,310.00 : x
  2. Step 2: Convert to fraction form
    93,151.55/128,548.77 = 52,310.00/x
  3. Step 3: Cross multiply
    93,151.55x = 128,548.77 × 52,310.00
  4. Step 4: Simplify right side
    93,151.55x = 6,724,386,218.52
  5. Step 5: Solve for x
    x = 6,724,386,218.52/93,151.55
  6. Step 6: Final answer
    x = 72,187.60

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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.