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Finding the Fourth Proportional to 163,771.49, 245,263.57 and 93,437.57

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Solution

The fourth proportional to 163,771.49, 245,263.57 and 93,437.57 is: 139,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,771.49 : 245,263.57 = 93,437.57 : x
  2. Step 2: Convert to fraction form
    163,771.49/245,263.57 = 93,437.57/x
  3. Step 3: Cross multiply
    163,771.49x = 245,263.57 × 93,437.57
  4. Step 4: Simplify right side
    163,771.49x = 22,916,831,990.32
  5. Step 5: Solve for x
    x = 22,916,831,990.32/163,771.49
  6. Step 6: Final answer
    x = 139,931.75

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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.