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Finding the Fourth Proportional to 180,569.79, 249,103.62 and 116,928.09

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Solution

The fourth proportional to 180,569.79, 249,103.62 and 116,928.09 is: 161,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,569.79 : 249,103.62 = 116,928.09 : x
  2. Step 2: Convert to fraction form
    180,569.79/249,103.62 = 116,928.09/x
  3. Step 3: Cross multiply
    180,569.79x = 249,103.62 × 116,928.09
  4. Step 4: Simplify right side
    180,569.79x = 29,127,210,498.69
  5. Step 5: Solve for x
    x = 29,127,210,498.69/180,569.79
  6. Step 6: Final answer
    x = 161,307.22

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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.