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Finding the Fourth Proportional to 180,683.56, 249,334.92 and 99,011.34

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Solution

The fourth proportional to 180,683.56, 249,334.92 and 99,011.34 is: 136,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,683.56 : 249,334.92 = 99,011.34 : x
  2. Step 2: Convert to fraction form
    180,683.56/249,334.92 = 99,011.34/x
  3. Step 3: Cross multiply
    180,683.56x = 249,334.92 × 99,011.34
  4. Step 4: Simplify right side
    180,683.56x = 24,686,984,537.99
  5. Step 5: Solve for x
    x = 24,686,984,537.99/180,683.56
  6. Step 6: Final answer
    x = 136,631.05

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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.