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Finding the Fourth Proportional to 146,796,368.80, 220,187,554.80 and 49,742,557.60

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Solution

The fourth proportional to 146,796,368.80, 220,187,554.80 and 49,742,557.60 is: 74,611,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,796,368.80 : 220,187,554.80 = 49,742,557.60 : x
  2. Step 2: Convert to fraction form
    146,796,368.80/220,187,554.80 = 49,742,557.60/x
  3. Step 3: Cross multiply
    146,796,368.80x = 220,187,554.80 × 49,742,557.60
  4. Step 4: Simplify right side
    146,796,368.80x = 10,952,692,127,442,158
  5. Step 5: Solve for x
    x = 10,952,692,127,442,158/146,796,368.80
  6. Step 6: Final answer
    x = 74,611,464.96

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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.