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Finding the Fourth Proportional to 93,847.84, 129,510.05 and 51,407.90

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Solution

The fourth proportional to 93,847.84, 129,510.05 and 51,407.90 is: 70,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,847.84 : 129,510.05 = 51,407.90 : x
  2. Step 2: Convert to fraction form
    93,847.84/129,510.05 = 51,407.90/x
  3. Step 3: Cross multiply
    93,847.84x = 129,510.05 × 51,407.90
  4. Step 4: Simplify right side
    93,847.84x = 6,657,839,699.40
  5. Step 5: Solve for x
    x = 6,657,839,699.40/93,847.84
  6. Step 6: Final answer
    x = 70,942.92

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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.