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Finding the Fourth Proportional to 93,148.68, 139,638.76 and 33,970.49

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Solution

The fourth proportional to 93,148.68, 139,638.76 and 33,970.49 is: 50,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,148.68 : 139,638.76 = 33,970.49 : x
  2. Step 2: Convert to fraction form
    93,148.68/139,638.76 = 33,970.49/x
  3. Step 3: Cross multiply
    93,148.68x = 139,638.76 × 33,970.49
  4. Step 4: Simplify right side
    93,148.68x = 4,743,596,232.15
  5. Step 5: Solve for x
    x = 4,743,596,232.15/93,148.68
  6. Step 6: Final answer
    x = 50,925.00

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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.