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Finding the Fourth Proportional to 93,419.59, 128,923.13 and 52,586.35

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Solution

The fourth proportional to 93,419.59, 128,923.13 and 52,586.35 is: 72,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,419.59 : 128,923.13 = 52,586.35 : x
  2. Step 2: Convert to fraction form
    93,419.59/128,923.13 = 52,586.35/x
  3. Step 3: Cross multiply
    93,419.59x = 128,923.13 × 52,586.35
  4. Step 4: Simplify right side
    93,419.59x = 6,779,596,865.90
  5. Step 5: Solve for x
    x = 6,779,596,865.90/93,419.59
  6. Step 6: Final answer
    x = 72,571.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.