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Finding the Fourth Proportional to 191,303.60, 286,825.80 and 97,732.40

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Solution

The fourth proportional to 191,303.60, 286,825.80 and 97,732.40 is: 146,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,303.60 : 286,825.80 = 97,732.40 : x
  2. Step 2: Convert to fraction form
    191,303.60/286,825.80 = 97,732.40/x
  3. Step 3: Cross multiply
    191,303.60x = 286,825.80 × 97,732.40
  4. Step 4: Simplify right side
    191,303.60x = 28,032,173,815.92
  5. Step 5: Solve for x
    x = 28,032,173,815.92/191,303.60
  6. Step 6: Final answer
    x = 146,532.39

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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.