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Finding the Fourth Proportional to 110,779.77, 152,875.31 and 60,478.77

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Solution

The fourth proportional to 110,779.77, 152,875.31 and 60,478.77 is: 83,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779.77 : 152,875.31 = 60,478.77 : x
  2. Step 2: Convert to fraction form
    110,779.77/152,875.31 = 60,478.77/x
  3. Step 3: Cross multiply
    110,779.77x = 152,875.31 × 60,478.77
  4. Step 4: Simplify right side
    110,779.77x = 9,245,710,409.77
  5. Step 5: Solve for x
    x = 9,245,710,409.77/110,779.77
  6. Step 6: Final answer
    x = 83,460.28

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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.