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Finding the Fourth Proportional to 180,840.69, 249,510.09 and 104,354.46

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Solution

The fourth proportional to 180,840.69, 249,510.09 and 104,354.46 is: 143,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,840.69 : 249,510.09 = 104,354.46 : x
  2. Step 2: Convert to fraction form
    180,840.69/249,510.09 = 104,354.46/x
  3. Step 3: Cross multiply
    180,840.69x = 249,510.09 × 104,354.46
  4. Step 4: Simplify right side
    180,840.69x = 26,037,490,706.50
  5. Step 5: Solve for x
    x = 26,037,490,706.50/180,840.69
  6. Step 6: Final answer
    x = 143,980.27

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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.