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Finding the Fourth Proportional to 93,411.02, 128,907.21 and 59,877.02

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Solution

The fourth proportional to 93,411.02, 128,907.21 and 59,877.02 is: 82,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.02 : 128,907.21 = 59,877.02 : x
  2. Step 2: Convert to fraction form
    93,411.02/128,907.21 = 59,877.02/x
  3. Step 3: Cross multiply
    93,411.02x = 128,907.21 × 59,877.02
  4. Step 4: Simplify right side
    93,411.02x = 7,718,579,591.31
  5. Step 5: Solve for x
    x = 7,718,579,591.31/93,411.02
  6. Step 6: Final answer
    x = 82,630.29

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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.