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Finding the Fourth Proportional to 112,368.10, 168,552.15 and 101,308.90

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Solution

The fourth proportional to 112,368.10, 168,552.15 and 101,308.90 is: 151,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,368.10 : 168,552.15 = 101,308.90 : x
  2. Step 2: Convert to fraction form
    112,368.10/168,552.15 = 101,308.90/x
  3. Step 3: Cross multiply
    112,368.10x = 168,552.15 × 101,308.90
  4. Step 4: Simplify right side
    112,368.10x = 17,075,832,909.14
  5. Step 5: Solve for x
    x = 17,075,832,909.14/112,368.10
  6. Step 6: Final answer
    x = 151,963.35

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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.