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Finding the Fourth Proportional to 255,854.58, 383,783.85 and 98,045.34

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Solution

The fourth proportional to 255,854.58, 383,783.85 and 98,045.34 is: 147,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,854.58 : 383,783.85 = 98,045.34 : x
  2. Step 2: Convert to fraction form
    255,854.58/383,783.85 = 98,045.34/x
  3. Step 3: Cross multiply
    255,854.58x = 383,783.85 × 98,045.34
  4. Step 4: Simplify right side
    255,854.58x = 37,628,218,059.76
  5. Step 5: Solve for x
    x = 37,628,218,059.76/255,854.58
  6. Step 6: Final answer
    x = 147,068.77

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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.