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Finding the Fourth Proportional to 153,293.90, 211,364.64 and 104,919.16

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Solution

The fourth proportional to 153,293.90, 211,364.64 and 104,919.16 is: 144,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,293.90 : 211,364.64 = 104,919.16 : x
  2. Step 2: Convert to fraction form
    153,293.90/211,364.64 = 104,919.16/x
  3. Step 3: Cross multiply
    153,293.90x = 211,364.64 × 104,919.16
  4. Step 4: Simplify right side
    153,293.90x = 22,176,200,482.50
  5. Step 5: Solve for x
    x = 22,176,200,482.50/153,293.90
  6. Step 6: Final answer
    x = 144,664.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.