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Finding the Fourth Proportional to 93,284.95, 139,957.01 and 33,312.12

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Solution

The fourth proportional to 93,284.95, 139,957.01 and 33,312.12 is: 49,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,284.95 : 139,957.01 = 33,312.12 : x
  2. Step 2: Convert to fraction form
    93,284.95/139,957.01 = 33,312.12/x
  3. Step 3: Cross multiply
    93,284.95x = 139,957.01 × 33,312.12
  4. Step 4: Simplify right side
    93,284.95x = 4,662,264,711.96
  5. Step 5: Solve for x
    x = 4,662,264,711.96/93,284.95
  6. Step 6: Final answer
    x = 49,978.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.