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Finding the Fourth Proportional to 249,871.77, 374,807.64 and 72,378.84

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Solution

The fourth proportional to 249,871.77, 374,807.64 and 72,378.84 is: 108,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,871.77 : 374,807.64 = 72,378.84 : x
  2. Step 2: Convert to fraction form
    249,871.77/374,807.64 = 72,378.84/x
  3. Step 3: Cross multiply
    249,871.77x = 374,807.64 × 72,378.84
  4. Step 4: Simplify right side
    249,871.77x = 27,128,142,206.34
  5. Step 5: Solve for x
    x = 27,128,142,206.34/249,871.77
  6. Step 6: Final answer
    x = 108,568.26

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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.