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Finding the Fourth Proportional to 157,038.84, 216,769.98 and 93,376.50

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Solution

The fourth proportional to 157,038.84, 216,769.98 and 93,376.50 is: 128,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,038.84 : 216,769.98 = 93,376.50 : x
  2. Step 2: Convert to fraction form
    157,038.84/216,769.98 = 93,376.50/x
  3. Step 3: Cross multiply
    157,038.84x = 216,769.98 × 93,376.50
  4. Step 4: Simplify right side
    157,038.84x = 20,241,222,037.47
  5. Step 5: Solve for x
    x = 20,241,222,037.47/157,038.84
  6. Step 6: Final answer
    x = 128,893.09

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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.