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Finding the Fourth Proportional to 180,603.84, 249,235.14 and 108,970.04

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Solution

The fourth proportional to 180,603.84, 249,235.14 and 108,970.04 is: 150,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,603.84 : 249,235.14 = 108,970.04 : x
  2. Step 2: Convert to fraction form
    180,603.84/249,235.14 = 108,970.04/x
  3. Step 3: Cross multiply
    180,603.84x = 249,235.14 × 108,970.04
  4. Step 4: Simplify right side
    180,603.84x = 27,159,163,175.21
  5. Step 5: Solve for x
    x = 27,159,163,175.21/180,603.84
  6. Step 6: Final answer
    x = 150,379.77

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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.